Service difficulty report · Battery · Boeing 74744AF

Difficulty date
May 19, 2024
Submitted
May 28, 2024
Operation
Air carrier
Aircraft
N575UP
Make and model
Boeing 74744AF
Aircraft serial
35664
Aircraft time
57,406 hours, 8,950 cycles
Part
Battery
Part number
UNKNOWN
Condition
Inoperative
Location
Emergency Lights
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

FAULT - FOUND THE EMERGENCY EXIT SIGN LIGHT INOP AT UPPER DECK STA 410. (REPLACE) .I.A.W AMM 33-51-04-902-001-001 REV.110 AND SSM 33-51-01 REV.44 REPLACED THE EMERGENCY LIGHT BATTERY (M5169) AT UPPER DECK (STA590 WL323 RBL83). REVIEW COMPLETED

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