Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
April 29, 2024
Submitted
May 13, 2024
Operation
Air carrier
Aircraft
N248WN
Make and model
Boeing 7377H4
Aircraft serial
32509
Aircraft time
59,464 hours, 35,961 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Failed
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

LEFT SIDE EXTERIOR WTB EMERGENCY LIGHT JUST AFT OF FLAP IS INOP<[01] PERFORMED EMERGENCY LIGHTS-OPERATIONAL TEST I.A.W AMM 33-51-00-710-801<BR>OPS CHECK:GOOD;[02] PERFORMED EMERGENCY LIGHTS-OPERATIONAL TEST I.A.W AMM 33-51-00-710-801 FAILS OPS CHECK NEEDS BATTERY;[03] REMOVED AND REPLACED M1670 BATTERY PACK AND OPS CHECKED L/H WTB EMERGENCY LIGHT IAW AMM 33-51-06-960-805 OPS CHECK GOOD;[04] COMPLETE<BR>AUDIT C/W

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