Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
February 16, 2025
Submitted
February 24, 2025
Operation
Air carrier
Aircraft
N215WN
Make and model
Boeing 7377H4
Aircraft serial
32487
Aircraft time
65,662 hours, 39,018 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
C
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 FWD RIGHT OVERDOOR EXIT INOP L1067 <[01]. PER TROUBLESHOOTING PERFORMED GOOD CONTINUITY CHECK FROM CONNECTOR D10750 TO CONNECTOR D2968 IAW WDM 33-51-12; SWAP OF BATTERY PACKS BETWEEN M1675 AND M1674 PERFORMED; FAILURE CHANGED; BATTERY PACK M1675 NEEDS REPLACEMENT; BATTERY PACKS BACK TO ORIGINAL POSITION; IAW AMM 33-51-06-960-805 MULTIMETER ID: ATS1511 DUE: 05/2025; [02] CERTIFIED ACTION 1.; [03] REMOVED AND REPLACED BATTERY PACK M1675; THEN PERFORMED A SATISFACTORY TEST OF INSTALLED BATTERY PACK IAW AMM 33-51-06-960-805 AND WDM 33-51-12.;[04] VERIFIED CORRECTIVE ACTION ENTRY 3.

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