Service difficulty report · Power Supply · Boeing 777222

Difficulty date
November 24, 2023
Submitted
November 27, 2023
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
77,868 hours, 16,564 cycles
Part
Power Supply
Part number
D71702030
Part serial
10923
Condition
No Test
Location
Emergency Lights
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

B777-33-3-7015 - CABIN - DR L3 OVER DOOR EXIT SIGN CPACITY CHECK FAIL. WORK TRANSFER NON ROUTINE WO.2492859. DR L3 EMER LT PWR PACK M33406 POWER SUPPLY REPLACED AND INSTALLATION TEST CARRIED OUT WITH NORMAL RESULT AS PER AMM 33-51-06.