Service difficulty report · Battery Pack · Boeing 7377CT

Difficulty date
May 16, 2023
Submitted
May 31, 2023
Operation
Air carrier
Aircraft
N570WN
Make and model
Boeing 7377CT
Aircraft serial
33657
Aircraft time
63,400 hours, 32,540 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Inoperative
Location
Zn 200 Fus Top
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

SEVERAL EXTERIOR AND INTERIOR EMERGENCY LIGHTS INOPERATIVE.<[01] REMOVED AND REPLACED BATTERY PACKS AT POS. M2335; M1668; M1669; M1674; M1675; M1672; AND M1673 AS PER REFERENCE AMM 33-51-06-960-805. PERFORMED EMERGENCY LIGHTS - OPERATIONAL TEST; AS PER REFERENCE AMM 33-51-00-710-801. TEST NORMAL OPERATION.

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