Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
March 3, 2020
Submitted
March 5, 2020
Operation
Air carrier
Aircraft
N426WN
Make and model
Boeing 7377H4
Aircraft serial
29830
Aircraft time
61,080 hours, 36,269 cycles
Part
Battery Pack
Condition
Discharged
Location
Cabin
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 EXIT LIGHT ON FWD WALL OF AFT LAV DOES NOT ILLUMINATE REMOVED AND REPLACED M1673 EMERGENCY LIGHTING BATTERY PACK AND PERFORMED GOOD INSTALLATION TEST OF M1673 BATTERY PACK AS PER AMM.33-51-06-960-805. 59132U 03MAR20

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