SDR CALA2023041701143

Service difficulty report · Battery · Boeing 777300ER

Difficulty date: April 15, 2023
Submitted: April 17, 2023
Operation: Air carrier
Aircraft: N2737U
Make and model: Boeing 777300ER
Aircraft serial: 62647
Aircraft time: 24,673 hours, 2,718 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: D71701100
Condition: Unknown
Location: M33099/Door 2l
Stage of operation: IN
How discovered: O
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

FOUND DOOR L2 EMERGENCY LIGHT BATTERY PACK(M33099)LOW CAPACTIRY (LESS THAN 15 MINUTES)REF HAECO NON-ROUTINE NO.9452602,ORIGINATE D BY EMP V905400, SPEC NO.B777-33-3-7019 PERFORMED BY EMP V905393, IDT BY EMP V907748, REPLACED THE BATTE RY PACK M33099 & PERFORMED THE TEST OF THE BATTERY PACK,THE RESU LT WAS NORMAL IAW AMM 33-51-06-960-802 REV.97

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