SDR CALA2023081802552

Service difficulty report · Battery · Boeing 757200

Difficulty date: August 17, 2023
Submitted: August 18, 2023
Operation: Air carrier
Aircraft: N34137
Make and model: Boeing 757200
Aircraft serial: 30229
Aircraft time: 82,689 hours, 19,795 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: 20121
Part serial: 3261
Condition: Defective
Location: M10919
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

EMERGENCY LIGHTS (USING CONTROL SWITCHES) OPERATIONAL CHECK {MULT-33-3-0001} - SEAT AMOUNTED EEL, ARE INOP FROM SEAR ROW 7 ABC TO 20 ABC. TROUBLE SHOT TO POWER SUPPLY M10919. REPLACED M10919 IAW AMM 33-51-07/201. OPS. CHK''S. GOOD. PN OFF 2012-1, SN 3261. PARTS USED: 19-3351-3-0097,QTY :1

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