Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
July 27, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
58,235 hours, 34,495 cycles
Part
Battery Pack
Condition
Inoperative
Location
Emergency Lights
Stage of operation
IN
How discovered
9
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

PASSENGER CABIN EMERGENCY LIGHTS AROUND LH OVERWING EXIT INOP ; / [01] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AT LEFT EMERGENCY EXIT. M1668 IAW AMM 33-51-06-960-805. CHECK GOOD. ATAG#VC1346

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