Service difficulty report · Battery Pack · Boeing 7379

Difficulty date
October 5, 2026
Submitted
October 9, 2026
Operation
Air carrier
Aircraft
N77580
Make and model
Boeing 7379
Aircraft serial
67738
Aircraft time
8,017 hours, 2,616 cycles
Part
Battery Pack
Part number
ADD71701100
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

EMERGENCY LIGHTS OPS CHECK. R1 EMERGENCY EXIT LIGHT INOPERATIVE. RELAMPED R1 EMERGENCY EXIT LIGHT, NO HELP IAW AMM 33-51-04. R & R BATTERY PACK ON M2816 IAW AMM 33-51-06. OPS CHECKED GOOD AT THIS TIME.

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