SDR ASAA2023111946237

Service difficulty report · Battery Pack · Boeing 737900ER

Difficulty date: November 19, 2023
Submitted: November 21, 2023
Operation: Air carrier
Aircraft: N214AK
Make and model: Boeing 737900ER
Aircraft serial: 60579
Aircraft time: 16,190 hours, 5,168 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: D71702001
Condition: Discharged
Location: Main Cabin
Stage of operation: IN
How discovered: C
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

WHILE ACCOMPLISHING T/C 78233001 FOUND FWD EXIT LIGHT, FWD LEFT EXIT LIGHT, OUTSIDE L1 DOOR LIGHT, AFT EXIT LIGHT, AFT LEFT EXIT LIGHT, OUTSIDE R1 DOOR LIGHT ARE INOP. GROUNDED - YES. REPLACED M1675 AND M1673 EMERG BATT PACK ASSY, OPS NML REF WDM 33-51-12.

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