Service difficulty report · Battery · Boeing 74744AF

Difficulty date
April 29, 2023
Submitted
May 1, 2023
Operation
Air carrier
Aircraft
N575UP
Make and model
Boeing 74744AF
Aircraft serial
35664
Aircraft time
54,444 hours, 8,428 cycles
Part
Battery
Part number
20131A
Part serial
92096
Condition
Inoperative
Location
Sta 540 Rh
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

FAULT - FOUND THE UPPER DECK EMERGENCY LIGHT INOP AT CEILING PANEL STA 550 AND STA 587. (REPLACE) 1.I.A.W AMM 33-51-04-902-001-001 REV.107.00 REPLACED EMERGENCY LIGHT BATTERY (M5169) AT UPPER DECK STA 590 RBL 83 WL 323 AND PERFORMED EMERGENCY LIGHT OPERATIONAL TEST, RESULT WAS SATISFACTORY. 2.IPC VERIFIED AND SERVICEABLE PARTS TAG NO.035013. REVIEWED

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