Service difficulty report · Battery Pack · Boeing 7378

Difficulty date
August 18, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N1804U
Make and model
Boeing 7378
Aircraft serial
60650
Aircraft time
11,314 hours, 5,534 cycles
Part
Battery Pack
Condition
No Test
Location
Zone 200
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

RIGHT AFT OVERWING EMERGENCY LIGHT INOPERATIVE, OK TO CONTINUE ON MEL 33-51-02 SP1. RELAMPED RT AFT EXTERIOR OVERWING ESCAPE LIGHT. REPLACED POWER SUPPLY M1671 BATTERY PACK AND RESECURED GROUND WIRE W4142-0625-20 IN GROUND BLOCK GD3806-DC IAW AMM 33-51-06 33-51-04 SWPM 20-20-11 WDM 33-51-14. SHOULD READ: RELAMPED RT. AFT EXTERIOR OVERWING ESCAPE LIGHT REPLACED POWER SUPPLY M1671 BATTERY PACK AND RESECURED GROUND WIRE W4142-0252-16 IN GROUND BLOCK GD3802-DC IAW AMM 33-51-06 33-51-04 SWPM 20-20-11 WDM 33-51-14.

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