Service difficulty report · Battery · Boeing 74744AF

Difficulty date
January 9, 2022
Submitted
January 10, 2022
Operation
Air carrier
Aircraft
N573UP
Make and model
Boeing 74744AF
Aircraft serial
35662
Aircraft time
50,533 hours, 7,849 cycles
Part
Battery
Part number
20131A
Part serial
100386
Condition
None
Location
Upper Deck
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

INSPECTION TYPE:C3FOUND L1 DOOR EMERGENCY LIGHT INOPI.A.W AMM 33-51-04-902-001-001 REV.103.00 REPLACED THE L1 DOOR EMERGENCY LIGHT BATTERY AND PERFORMED EMERGENCY LIGHT OPERATIONAL TEST, RESULT WAS SATISFACTORY.

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