Service difficulty report · Battery Pack · Boeing 7378

Difficulty date
July 20, 2023
Submitted
July 21, 2023
Operation
Air carrier
Aircraft
N8701Q
Make and model
Boeing 7378
Aircraft serial
42554
Aircraft time
10,647 hours, 5,199 cycles
Part
Battery Pack
Part number
UNKNOWN
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

L/H FWD OVERWING AND 02 FWD LEFT EMERGENCY ISLE LIGHT INOP<[01] RELAMP NO HELP; SWAPPED POWER SUPPLY M1694 AND M1695 PROBLEM DID NOT FOLLOW REF WDM 33-51-13-1. MORE T/S REQ;[02] R&R BATTERY PACK AT LOCATION M2335; OPS CHECK GOOD. REF AMM 33-51-06.

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