Service difficulty report · Switch · Boeing 767322

Difficulty date
March 28, 2013
Submitted
May 17, 2013
Operation
Air carrier
Aircraft
N655UA
Make and model
Boeing 767322
Aircraft serial
25393
Aircraft time
86,684 hours, 13,818 cycles
Engine
Pwa PW4060
Part
Switch
Condition
Faulty
Location
Apu
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

APU FAULT NO START 2 ATTEMPTS. APU INOP. DF. REF MEL 49 11D. INF- :BIT APUC FAULTING THE FAN VALVE. INF- :IPC 49-51-00-00K PAGE 1 ITEM 100. (PCN 645-3645). RPL- :DISREGARDED NUISANCE OIL COOLER FAN AIR VALVE. VALVE HAS BEEN ELIMINATED REF POST SB 49-73-91. REPLACED LOP SWITCH REF AMM 49-27-00.