Service difficulty report · Battery · Boeing 7377H4

Difficulty date
May 30, 2026
Submitted
July 2, 2026
Operation
Air carrier
Aircraft
N929WN
Make and model
Boeing 7377H4
Aircraft serial
36631
Aircraft time
58,054 hours, 35,506 cycles
Part
Battery
Condition
Inoperative
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

RIGHT OVER WING EMERGENCY EXIT LIGHT (EXTERNAL) INOPERATIVE. REPLACED M1669 EMERGENCY BATTERY IAW AMM 33-51-06-960-805. RELAMPED RIGHT OVERWING EMERGENCY EXIT SLIDE LIGHT IAW AMM 33-51-04-960-801. PERFORMED EMERGENCY LIGHTS OPERATIONAL TEST PER AMM 33-51-00-710-801, ALL EMERGENCY LIGHTS OPERATE CORRECTLY.

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