Service difficulty report · Brake · Beech C90A

Difficulty date
March 15, 2015
Submitted
March 19, 2015
Operation
General aviation
Aircraft
N587PB
Make and model
Beech C90A
Aircraft serial
LJ1408
Aircraft time
6,029 hours, 8,125 cycles
Engine
Pwa PT6A21
Propeller
Mcauly 4JFR34C758
Part
Brake
Part number
07515500
Part serial
HLF3
Condition
Broken
Location
Main Rotor
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT TOOK OFF FROM AIRPORT WITH NO INDICATION OF ANY DIFFICULTIES IN FLIGHT AND UNEVENTFUL LANDING. UPON PARKING ACFT, PILOT PERFORMED POST FLIGHT INSPECTION AND FOUND RT MLG BRAKE CALIPER BROKEN, ALSO DAMAGES TO RT MLG WHEEL WELL, FUEL LINES IN WHEEL WELL AREA AND WHEEL/TIRE ASSY. MAINTENANCE WAS NOTIFIED AND MECHANIC SENT TO INSPECT AND REPAIR ACFT. MECHANIC FOUND RT MLG BROKEN BRAKE TORQUE PLATE THAT ALLOWED BRAKE CALIPER TO BECOME UNSECURED THUS CAUSING DAMAGES TO ACFT. MECHANIC REPLACED BROKEN TORQUE PLATE ASSY, BRAKE CALIPERS, WHEEL/TIRE ASSY AND UNSERVICABLE FUEL LINES. CRACKS TO WHEEL WELL WAS STOPPED DRILLED APPROVED APPLICABLE DATA AND AC43.13, FERRY PERMIT WAS ISSUED FOR 1 TIME FLIGHT TO MAINTENANCE BASE FOR REPAIRS. FURTHER INSPECTION OF TORQUE PLATE ASSY REVEALED METAL FAILURE OF UNIT AT MOUNTING EARS/POINTS. HISTORICAL RECORDS INDICATE THAT THE TORQUE PLATE ASSY WAS RECENTLY INSTALLED ON 01/14/2015, FOR FIRST TIME USAGE AFTER NDT INSPECTION CMM.

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