SDR UIEA2020061091248

Service difficulty report · Battery Pack · Boeing 74747UF

Difficulty date: June 6, 2020
Submitted: June 10, 2020
Operation: Air carrier
Aircraft: N496MC
Make and model: Boeing 74747UF
Aircraft serial: 29257
Aircraft time: 82,485 hours, 13,672 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: 20131A
Part serial: 75682
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

FOUND EMERGENCY LIGHT BATTERY PACK M5169 INOPERATIVE. IAW AMM 33-51-04-902-001 REV 98, REPLACED M5169 EMERGENCY LIGHT BATTERY PACK. IAW AMM 33-51-04-902-001-001, REV 98. PERFORMED AN EMERGENCY LIGHT TEST, AND THE RESULT WAS SATISFACTORY.

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