SDR UALA2012081004355

Service difficulty report · Wire · Boeing 757222

Difficulty date: August 10, 2012
Submitted: August 10, 2012
Operation: Air carrier
Aircraft: N549UA
Make and model: Boeing 757222
Aircraft serial: 25397
Aircraft time: 78,009 hours, 22,521 cycles
Engine: Pwa PW2037
System (JASC): 7897 · Engine Exhaust System Wiring
Part: Wire
Condition: Broken
Location: Thrust Reverser
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

RT ENGINE THRUST REVERSER CONT STATUS MESSAGE ON TAXI OUT. UNABLE TO CLEAR MESSAGE PER FIM 71-EPCS. FAULTS SHOWED PTLIR EEC. REPLACED RIGHT ENGINE THRUST LEVER INTERLOCK RELAY K10471. PER WDM 78-34-12. NO HELP. RAN RT ENG UNABLE TO CLEAR MESSAGE. FOUND WIRE W1270-1017-24 BROKEN AT RELAY SOCKET D1540 PIN 7. RETERMINATED WIRE WITH NEW CONTACT AND INSERTED INTO RELAY SOCKET. MESSAGE CLEARED. REACTIVATED REVERSER. CYCLED REVERSER, NO MESSAGES.