SDR UALA2011031401208

Service difficulty report · Electronic Unit · Boeing 777222

Difficulty date: March 12, 2011
Submitted: April 4, 2011
Operation: Air carrier
Aircraft: N226UA
Make and model: Boeing 777222
Aircraft serial: 30226
Aircraft time: 37,561 hours, 4,599 cycles
Engine: Pwa PW40903
System (JASC): 2330 · Entertainment System
Part: Electronic Unit
Condition: Malfunctioned
Location: Lower Lobe
Stage of operation: IN
How discovered: 9
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

LOWER LOBE REST AREA CONTROL PANEL HAS NO POWER. DEFERRED. LOWER LOBE DEFERRED NOT TO BE USED. CABIN ALL TEST FAULTS OEU M23446 WITH MESSAGE 23-03402. OEU CB AND ZMU CB RESET, NO FIX. ALL TEST AND CABIN OPS SOFTWARE RELOAD CARRIED OUT, NO FIX. FOUND OEU M23445 FAILS, REPLACED OEU PER MM, OP CHECKED NORMAL, NO FAULTS ON ALL TEST.