Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 14, 2024
Submitted
September 20, 2024
Operation
Air carrier
Aircraft
N267WN
Make and model
Boeing 7377H4
Aircraft serial
32525
Aircraft time
57,915 hours, 34,799 cycles
Part
Battery Pack
Condition
Failed
Location
Zone 200
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

BATTERIES PACKS M1675 AND M1673 FAIL TEST<[01] REPLACED EMERGENCY BATTERIES PACKS M1673 AND M1675 PER AMM 33-51-06-960-805; STEP 4.A THRU 4.E(1-5);[02] VERIFIED ITEM 1.;[03] REPLACED EMERGENCY BATTERIES PACKS M1673 AND M1675 PER AMM 33-51-06-960-805; STEP 4.A THRU 4.E(1-5); PERFORMED GOOD EMERGENCY BATTERIES PACK PER AMM PER AMM 33-51-06-960-805; STEP 4.E.6.<BR>TASK CARD COMPLETED;[04] VERIFIED CORRECTIVE ACTION COMPLETE.

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