PA-12Super Cruiser

Parts most often named Elt (2) · Battery (1)

ELT DID NOT FUNCTION DURING 100-HOUR CHECK. DECELERATION CHECK PER MANUAL; ALSO, HAD LOOSE SCREW INSIDE SEALED ELT ELECTRONIC HEAD WHICH WAS REPAIRED BY THE MFG.

ELT BATTERY ARTEX WAS FOUND CRACKED ON LOWER SIDE UPON DISASSEMBLY OF ELT. BATTERY EXPIRATION DATE IS JANUARY '96. ELT EXHIBITED CORROSION DAMAGE TO LOWER CIRCUIT BOARD AND WAS INOPERATIVE.

Parts most often named Seal (1) · Capacitor (1) · Breaker Points (1)

(CAN) ENGINE RUNNING ROUGH ON TAXI. CAM FOLLOWER OF POINTS ASSEMBLY FOUND BROKEN. THIS IS THE SECOND SET OF POINTS TO FAIL WITH THE SAME CONDITION, IN THE SAME MAGNETO, WITHIN 100 HOURS OF OPERATION. CLOSER INSPECTION FOR PROBABLE CAUSE FOUND NOTCHES IN THE CAM, P/N 10-88543-1. THE CAM AND POINTS WERE REPLACED.

Parts most often named Lift Strut (2) · Struts (1)

PARA 'A' OF AD NOTE 93-10-06 C/W USING AN FAA APPROVED X-RAY METHOD. LT FRONT STRUT AIRWORTHY. LT REAR STRUT UNAIRWORTHY. RT FRONT STRUT AIRWORTHY. RT REAR STRUT UNAIRWORTHY. X-RAYS ARE ON FILE AT THIS REP STA UNDER W/O NR A-2831. SUBMITTER STATED UNAIRWORTHY DUE TO TOO MUCH CORROSION.

PARAGRAPH 'A' OF AD NOTE 93-10-06 HAS BEEN ACCOMPLISHED USING AN FAA APPROVED X-RAY METHOD. REMARKS: LT FRONT STRUT AIRWORTHY, LT REAR STRUT UNAIRWORTHY, RT FRONT STRUT AIRWORTHY, RT REAR STRUT AIRWORTHY. X-RAYS ARE ON FILE AT THIS REPAIR STATION.

INSPECTION FOUND RIGHT REAR STRUT WITH LARGE AMOUNT OF CORROSION, LOWER 15 INCHES OF STRUT. DENSITY CHECK: COMPARITOR SHIM = 3.69 H.D., CORROSION = 4.23 H.D.

Parts most often named Mount (2)

AT ANNUAL INSPECTION, BOTTOM LEFT ENGINE MOUNT TUBE WAS FOUND CRACKED AT ENGINE MOUNTING FLANGE. ENGINE PREVIOUSLY CHANGED TO LYC 0320 IN C/W STC SA-4-456. REINFORCEMENT TUBING HAD NOT BEEN EXTENDED FULL LENGTH ON BOTTOM TUBE. WELDED LENGTH OF .8750 INCH TUBING IN PLACE TO C/W STC DRAWING.

Parts most often named Hinge Fitting (2)

DURING INSPECTION, CRACKS WERE NOTED IN RADIUS OF FITTING ATTACHED TO AILERON SPAR. SUBMITTER SUSPECT CAUSE IS POOR ALIGNMENT OF AILERON ATTACH FITTINGS THROUGH FALSE SPAR AFTER C/W AD 51-21-02 OR, SIMPLY, WEAK AREA IN DESIGN OF AILERON FITTING.

Parts most often named Cable (1) · Throttle Cable (1)

(CAN) THROTTLE REPORTED LOOSE. INSPECTED AND FOUND THROTTLE CABLE SEPARATED WHERE SLEEVE CRIMPS ON THE FLEXIBLE SHAFT. (TC# 20190619001)

(CAN) AIRCRAFT ON FLOATS. PILOT DEPARTED RIVER AND WHEN THE PILOT PULLED THE ENGINE BACK THE RPM WOULD NOT RETARD. PILOT TURNED ONE MAG OFF AND HELD THE AIRCRAFT NOSE UP TO PREVENT ENGINE OVER-SPEED AND RETURNED TO STARTING POINT. PILOT PULLED MIXTURE WHEN HE KNEW HE COULD MAKE THE LANDING SUCCESSFULLY. THROTTLE CABLE REPLACED WITH NEW PART. (TC NR 20070917006)

Parts most often named Cylinder (2)

CYLINDER [S/N removed] WAS PRESSURE TEST INSPECTED IAW AD 2009-26-12 AND WAS FOUND TO BE CRACKED WHERE CYLINDER HEAD CONNECTS TO CYLINDER BARREL. THE DEFECTIVE CYLINDER IN THE NR 3 POSITION, WAS INSTALLED ON ENGINE ON 5/19/2006 AND HAD 397 HOURS IN [S/N removed]. CYLINDER NR 1 ([S/N removed]) ON THE SAME ENGINE WAS ALSO AFFECTED BY THE REF AD. NO LEAKS OR DEFECTS WERE DISCOVERED ON THIS CYLINDER, WHICH HAD THE SAME NR OF HOURS IN [S/N removed] AS THE DEFECTIVE CYLINDER DESCRIBED ABOVE. (K)

Parts most often named Bail (1)

THE BAIL, WHICH HOLDS THE GASCOLATOR BOWL ON, BROKE IN-FLIGHT FROM POSSIBLY A CRACK THAT DEVELOPED AT THE T-SECTION. THIS CRACK COULD NOT BE SEEN BECAUSE OF ITS PLACEMENT. RECOMMENDATION IS TO REPLACE BAIL WITH A BETTER ENGINEERED PART OR REPLACE EVERY 30 YEARS.

Parts most often named Tire (1)

MOUNTED TWO GOODYEAR 8.50 X 6 6PR TIRES, PN856C61-3, ON CLEVELAND WHEELS. ONE TIRE APPEARED LARGER IN DIAMETER THAN THE OTHER. MEASURED BOTH TIRES, AT 25PSI ONE TIRE IS 20.1250 AND THE OTHER IS 20.9375 IN DIAMETER.

Parts most often named Longeron (1)

INSPECTION FOUND A LOWER LONGERON CLUSTER ON THE RIGHT SIDE OF THE FUSELAGE, JUST BENEATH THE BATTERY COMPARTMENT, HAS BEEN BADLY DAMAGED BY CORROSION. SUSPECT CAUSE WOULD BE FROM BATTERY ACID DRIPPING IN THIS AREA FOR SOME TIME.