SDR CALA2025050604491

Service difficulty report · Battery Pack · Boeing 777300ER

Difficulty date: May 6, 2025
Submitted: May 6, 2025
Operation: Air carrier
Aircraft: N2251U
Make and model: Boeing 777300ER
Aircraft serial: 66591
Aircraft time: 22,839 hours, 2,694 cycles
System (JASC): 2560 · Emergency Equipment
Part: Battery Pack
Part number: P2070021002
Condition: Expired
Location: Zone 200
Stage of operation: IN
How discovered: V
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

EMER FLASH LT 15 EA SERVICE LIFE DATE LESS THAN 135 DAYS THE FLASH LT BATTERY AT FLIGHT DECK CA SIDE, DR 1L AFT, DR 1R, DR 2R FWD&AFT, DR 2L FWD&AFT, DR 3R, DR 4L, DR 4R, DR 5L, DR 5R*2, OFCR, OFAR SERVICE LIFE LESS THAN 135 DAYS, RPL BATTERY AND OPT CHK NML. EMERGENCY FLASHLIGHT CHECKED OK.

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