Service difficulty report · Battery Pack · Boeing 7377BD

Difficulty date
March 26, 2023
Submitted
March 30, 2023
Operation
Air carrier
Aircraft
N556WN
Make and model
Boeing 7377BD
Aircraft serial
33936
Aircraft time
37,398 hours, 21,958 cycles
Part
Battery Pack
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

EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1668 ARE INOP<[01] FOUND BATTERY CHARGER FOR M1668 DISCONNECTED. RECONNECTED; AND PERFORMED GOOD TEST OF EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1668.<BR><BR>PARTIAL UPDATE TO STEP 1 INCLUDED FOR REMOVING PANEL TO ACCESS BATTERY AND CHARGER.<BR><BR>WORK DONE IAW AMM 33-51-00-710-801 AND SWPM 20-60-06.;[02] STEP 1 PARTIAL UPDATED; VERIFIED CORRECTIVE ACTIONS STEP 1.;[03] COMPLETION OF STEP 1.;[04] STEP 1 COMPLETED.

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