SDR BJNA202511180001

Service difficulty report · Battery · Boeing 7378EH

Difficulty date: November 16, 2025
Submitted: November 18, 2025
Operation: Air carrier
Aircraft: N809VL
Make and model: Boeing 7378EH
Aircraft serial: 37599
Aircraft time: 43,935 hours, 27,650 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: ABSD71701100
Part serial: 84842
Condition: Discharged
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

WHILE PERFORMING SERVICE CHECK FOUND LH EMERGENCY EXIT SIDE LAMP OUT. R & R LAMP IAW AMM 33-51-04-960-801, NO HELP, SUSPECT POWER SUPPLY. FURTHER T/S REQ. R & R POWER SUPPLY BATTERY PACK AND CHARGER ASSY, UNIT M2335, IAW AMM 33-51-06-960-806, OPS CHECK GOOD, NO FURTHER FAULTS NOTED, A/C OK FOR SERVICE.

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