SDR CALA2024031400728

Service difficulty report · Battery Pack · Boeing 777224

Difficulty date: March 13, 2024
Submitted: March 14, 2024
Operation: Air carrier
Aircraft: N78008
Make and model: Boeing 777224
Aircraft serial: 29478
Aircraft time: 115,209 hours, 11,888 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: ADD71701100
Condition: Discharged
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

M/D L1 DOOR CEILING PANEL M33093 EMER POWER PACK FOUND LOW CAPAC ITY,ORIGINATED BY , REF TO HAECO NON ROUTINE NO.948110 1 SPEC NO.B777-33-3-7019. PERFORMED BY, REPLACED M/D L1 DOOR CEILING PANEL M330 93 EMER POWER PACK AND C/O TEST OF THE NEW POWER PACK,THE RESULT FOUND NORMAL,AS PER AMM 33-51-06-960-803 REV 100.