SDR AALA20190401003

Service difficulty report · Battery Pack · Boeing 777223

Difficulty date: March 29, 2019
Submitted: April 1, 2019
Operation: Air carrier
Aircraft: N799AN
Make and model: Boeing 777223
Aircraft serial: 30258
Aircraft time: 72,074 hours, 9,110 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: D71702001
Condition: Faulty
Location: Emergency Lights
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

AIRCRAFT IN BASE MAINTENANCE: MAIN CABIN R1 DOOR OVERHEAD EMERGENCY BATTERY PACK M33424 WOULD NOT CHARGE. REPLACED OVERHEAD EMERGENCY BATTERY PACK PER AMM 33-51-06-960-803 AND PERFORMED SATISFACTORY OPERATIONAL CHECK PER SUBTASK 710-003.