SDR CALA2021080401246

Service difficulty report · Charger · Boeing 777222

Difficulty date: August 2, 2021
Submitted: August 4, 2021
Operation: Air carrier
Aircraft: N784UA
Make and model: Boeing 777222
Aircraft serial: 26951
Aircraft time: 101,039 hours, 13,238 cycles
System (JASC): 3350 · Emergency Lighting
Part: Charger
Part number: D71702030
Part serial: 1549
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

DOOR L3 EMERGENCY LIGHTING BATTERY PACK M33405 DOESN''T OPERATE DURING FUNCTIONAL TEST REF HAECO NON-ROUTINE NO.9450069,ORIGINAT ED BY EMP V905359,SPEC NO.B777-33-3-7015. PERFORMED BY EMP V905359,REPLACED DOOR L3 M33405 BATTERY CHARGER AND CARRIED OUT LIGHT TEST,THE RESULT WAS NORMAL REF AMM 33-51- 06-960-803 REV92A,IDT BY TA472.