Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 4, 2021
Submitted
September 16, 2021
Operation
Air carrier
Aircraft
N413WN
Make and model
Boeing 7377H4
Aircraft serial
29819
Aircraft time
67,173 hours, 39,106 cycles
Part
Battery Pack
Condition
Inoperative
Location
Emergency Lights
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

ASSOCIATED EMERGENCY LIGHTS BY LH OVER WING EXIT DOOR WITH BATTERY PACK M1668 ARE INOP. ; OCIATED EMERGENCY LIGHTS BY LH OVER WING EXIT DOOR WITH BATTERY PACK M1668 ARE INOP. / [01] REPLACED BATTERY PACK AT M1668 L/H OVER WING AND PERFORMED OPS CHECK AS PER B737 AMM 33-51-06-960-805 AND 33-51-00-720-801. TEST FOUND NORMAL. <BR><BR>S/N 29464 ON.; [02] VERIFIED STEP 1

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