SDR CALA2024022700555

Service difficulty report · Battery Pack · Boeing 777222

Difficulty date: February 26, 2024
Submitted: February 27, 2024
Operation: Air carrier
Aircraft: N797UA
Make and model: Boeing 777222
Aircraft serial: 26924
Aircraft time: 103,485 hours, 13,533 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: ADD71701100
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 L2 EMERGENCY POWER PACK(M33096)CAPACITY CHECK FOUND CAN''T S TAYED EMERGENCY LIGHTS ON FOR 15 MINUTES, ,REPLACED DOOR L2 EMERGENCY POWER PACK(M 33096)AND PERFORMED THE INSTALLATION TEST,THE RESULT FOUND NORMA L,REF AMM 33-51-06-960-802 REV 100,