Service difficulty report · Battery Pack · Boeing 7378K5

Difficulty date
September 26, 2025
Submitted
October 20, 2025
Operation
Air carrier
Aircraft
N842SY
Make and model
Boeing 7378K5
Aircraft serial
37244
Aircraft time
38,471 hours, 13,246 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 EXTERIOR EMERGENCY OVERWING EXIT LIGHT INOP. R&R'D M1671 BATT PACK - NO HELP, SWAPPED OUT POWER SUPPLY - NO HELP, POWER SUPPLY & BATT PACK ASSY REINSTALLED REF AMM 33-51-06. ORIGINAL DEFECT REMAINS OPEN @ THIS TIME. SEE L/P 786898 FOR RESOLUTION.

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