SDR ASMF201111121001

Service difficulty report · Switch · Boeing 7377*

Difficulty date: November 28, 2011
Submitted: December 20, 2011
Operation: Air carrier
Aircraft: N126AM
Make and model: Boeing 7377*
Aircraft serial: 30617
Aircraft time: 30,403 hours, 14,068 cycles
System (JASC): 3234 · Landing Gear Selector
Part: Switch
Part number: 211C223319
Part serial: T61614C
Condition: Damaged
Location: Mlg
Part time: 5,551 hours, 2,396 cycles
Stage of operation: CL
How discovered: O
Nature of condition: F
Precautionary procedure: A

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

What was found

DURING CLIMB, MAIN LANDING GEAR DID NOT RETRACT. AIR RETURN. CREW ACCOMPLISHED QRH 14.16 PROCEDURE, CONFIRMING FAILURE. DURING MX REVISION, MANUAL EXTENSION ACCESS DOOR SWITCH AND ACTUATOR DETECTED DAMAGED. MANUAL EXTENSION ACCESS DOOR SWITCH AND ACTUATOR REPLACED IAW MM 32-34-11, TESTED CORRECT.

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