SDR AALA202011139015

Service difficulty report · Battery · Boeing 7878

Difficulty date: November 12, 2020
Submitted: November 13, 2020
Operation: Air carrier
Aircraft: N811AB
Make and model: Boeing 7878
Aircraft serial: 40629
Aircraft time: 19,076 hours, 2,352 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: 100260201
Part serial: ST18027257
Condition: Discharged
Location: Emergency Lights
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

AIRCRAFT IN BASE MAINTENANCE. INOPERATIVE EMERGENCY PATH LIGHTING AT SEAT ROWS 13 THRU 18. REPLACED WELS BATTERY UNIT, IAW AMM 33-51-07, OPERATIONS CHECK GOOD. ALSO REPLACED WELS CONTROL UNIT (AALA202011139010) AND ADDITIONAL BATTERY UNITS (AALA202011139014, AALA202011139016), IAW AMM 33-51-07. OPERAITONS CHECK GOOD.

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