Service difficulty report · Battery · Boeing 7478F

Difficulty date
August 26, 2023
Submitted
August 28, 2023
Operation
Air carrier
Aircraft
N620UP
Make and model
Boeing 7478F
Aircraft serial
65787
Aircraft time
13,900 hours, 2,114 cycles
Part
Battery
Part number
20131A
Part serial
503687
Condition
Inoperative
Location
Sta 590 Rh - M51
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 AISLE EMERGENCY LIGHT (L5733) AND CREW REST EMERGENCY LIGHT (L5767) INOP. (REPLACE) I.A.W AMM 33-51-04-900-803 REV.42 REPLACED THE EMERGENCY LIGHT BATTERY (M5169) AT UPPER DECK STA 590 WL 394 RBL 83 AND PERFORMED EMERGENCY LIGHT OPS TEST, RESULT WAS SATISFACTORY. REVIEWED

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