SDR ASAA2022123141375

Service difficulty report · Battery Pack · Boeing 737990

Difficulty date: December 31, 2022
Submitted: January 4, 2023
Operation: Air carrier
Aircraft: N317AS
Make and model: Boeing 737990
Aircraft serial: 30856
Aircraft time: 64,037 hours, 25,906 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: ADD71701100
Condition: Inoperative
Location: Emergency Light
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

L2 DOOR EXTERIOR EMERGENCY LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED, OPS CHECK IS GOOD OF L/H L2 DOOR EXTERIOR EMERGENCY LIGHT BATTERY PACK (M1673) IAW B737-900 AMM 33-51-06-960-805 STEPS 4.E.(1), (2), (3)(G), (4), (5), (6). F. (4) AND WDM 33-51-14 PAGE 2 SHEET 1.