SDR 7AJA20130729005

Service difficulty report · Motor · Beech C90A

Difficulty date: July 29, 2013
Submitted: July 30, 2013
Operation: Air carrier
Aircraft: N3221M
Make and model: Beech C90A
Aircraft serial: LJ1621
Aircraft time: 5,540 hours, 7,622 cycles
Engine: Pwa PT6A21
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Motor
Condition: Failed
Location: Power Pack
Stage of operation: AA
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

DURING APPROACH, PILOT ATTEMPTED TO LOWER MLG AND DISCOVERED IT WOULD NOT FUNCTION, PERFORMED AN EMERGENCY GEAR EXTENSION AND LANDED. FOUND A FLAT OR DEAD SPOT IN THE MLG POWER PACK MOTOR. MOTOR REPLACED AND SYSTEM FUNCTION CHECKED GOOD.

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