Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
August 20, 2021
Submitted
August 24, 2021
Operation
Air carrier
Aircraft
N288WN
Make and model
Boeing 7377H4
Aircraft serial
36611
Aircraft time
46,479 hours, 27,749 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

AFT L/H CABIN AND R/H SERVICE DOOR EMERGENCY EXIT LIGHTS ARE INOP ; / [01] REMOVED DEFECTIVE AFT L/H BATTERY PACK. ALSO THE BATTERY PACK CHARGER WILL HAVE TO BE REPLACED AS THE BATTERY PACK QUARTER TURN FASTENER WILL NOT ENGAGE.; [02] REPLACE L/H AFT. EMERGENCY BATTERY POWER SUPPLY PER MM 33-51-06.; [03] INSTALLED L/H BATTERY PACK AT STA 952; OPS CHECK GOOD PER AMM 33-51-06.

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