SDR CALA2021101401876

Service difficulty report · None · Boeing 777222

Difficulty date: October 14, 2021
Submitted: October 14, 2021
Operation: Air carrier
Aircraft: N795UA
Make and model: Boeing 777222
Aircraft serial: 26927
Aircraft time: 99,142 hours, 13,247 cycles
System (JASC): 3300 · Lighting System
Part: None
Part number: NA
Condition: None
Location: L1 And L4 Door
Stage of operation: IN
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

DURING DEEP CYCLE, FOUND L1 DOOR AFT (DM33424) AND L4 DOOR (DM33 407) EMERGENCY LT BATTERY PACK CAN NOT OPERATE FOR A MINIMUM OF 15 MINUTES REF TO HAECO NON-ROUTINE NO. 9457768, SPEC NO. B777-3 3-3-7019. PERFORMED BY EMP V903686, REPLACED L1 DOOR AFT DM33424 AND L4 DO OR DM33407 EMERGENCY LT BATTERY PACK AND CARRIED OUT INSTALLATIO N TEST FOUND NORMAL PER AMM 33-51-06-960-802 REV 92A. IDT BY EMP V905446.