Service difficulty report · Battery Pack · Boeing 7572T7

Difficulty date
March 30, 2024
Submitted
April 1, 2024
Operation
Air carrier
Aircraft
N935FD
Make and model
Boeing 7572T7
Aircraft serial
22780
Aircraft time
95,526 hours, 38,460 cycles
Part
Battery Pack
Part number
20131A
Part serial
7619
Condition
Inoperative
Location
Emergency Lights
Stage of operation
IN
How discovered
V
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

THROUGHOUT MAINTANENCE DAILY CHECK FOUND L1 EMER EXIT SIGN DOOR 1 LT, FLT DECK DOME EMER LT MODULE, SLIDE LT DR 1 EMER INOP. SHGN 30MAR24 05:49 BNA WDM: CH 33-51-12 PG 13.1 SHEET 1FX1 PERFORMED T/S PROCEDURES TO EMERGENCY LIGHTS FORWAR LEFT SIDE L1 DOOR L1 EMER EXIT SIGN DOOR 1 LT, FLT DECK DOME EMER LT MODULE, SLIDE LT DR 1 EMER, SUSPECT EMERGENCY LIGHTS POWER SUPPLY LEFT SIDE "M731", NEEDS MORE T/S, ALL IAW B757-200 WDM CH 33-51-12 PG13.1 SHEET 1FX1, AMM 33-51-00-5. R&R L1 DOOR BATTERY PACK . OPS CHECK GOOD AT THIS TIME. OK FOR SERVICE.

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