SDR AALA20151120005

Service difficulty report · Switch · Boeing 757223

Difficulty date: November 20, 2015
Submitted: November 23, 2015
Operation: Air carrier
Aircraft: N176AA
Make and model: Boeing 757223
Aircraft serial: 32395
Aircraft time: 45,092 hours, 12,900 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Switch
Condition: Faulty
Location: Te Flap
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

WHILE CONFIGURING FOR LANDING, TE FLAP ASYM & LE DISAGREE MSGS WITH FLAP INDICATOR SHOWING LESS THAN 1. AN EMER WAS DECLARED & THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. ACFT WAS REMOVED FROM SERVICE. ACCOMPLISHED FIM 27-51-02, FOUND FAULT WITH DEPRESSURIZATION MODULE PRES SWITCH. R & R SWITCH IAW MM 27-51-29, OPERATIONALLY & LEAK CHECKED OK. REFERENCE ALSO SDR CONTROL AALA20151123009.