Service difficulty report · Battery · Boeing 74748EF

Difficulty date
October 12, 2024
Submitted
October 15, 2024
Operation
Air carrier
Aircraft
N419MC
Make and model
Boeing 74748EF
Aircraft serial
28367
Aircraft time
115,205 hours, 19,997 cycles
Part
Battery
Part number
20131ASMI
Part serial
AAI126937
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND EMERGENCY LIGHT INOP IN MAIN DECK AND L1 ENTRY DOOR AREA.(<P>I.A.W AMM 33-51-04-902-001-001 REV 110 REPLACED M5170 BATTERY ASSY AND PERFORMED PWER SUPPLY TEST. THE RESULT WAS SATISFACTORY.</P>)

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