Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
December 8, 2023
Submitted
December 20, 2023
Operation
Air carrier
Aircraft
N432WN
Make and model
Boeing 7377H4
Aircraft serial
33715
Aircraft time
66,274 hours, 39,388 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

EMERGENCY LIGHTS RELATED TO M1675 FAILED TEST.<[01] REMOVED AND REPLACED M1675 EMERGENCY EXIT BATTERY PACK PER AMM 33-51-06-960-805. TEST STILL REQUIRED.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.;[03] PERFORMED GOOD TEST OF EMERGENCY BATTERY PACK PER AMM 33-51-06-960-805.;[04] VERIFIED CORRECTIVE ACTION ENTRIES AND MEASUREMENT TABLE.

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