SDR SWAA2026102354818

Service difficulty report · Battery Pack · Boeing 7378

Difficulty date: October 19, 2026
Submitted: October 24, 2026
Operation: Air carrier
Aircraft: N8739L
Make and model: Boeing 7378
Aircraft serial: 60231
Aircraft time: 17,541 hours, 8,545 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Condition: Inoperative
Location: Zn 200 Fus Top
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

FOUND EMERGENCY EXIT LIGHTS ASSOCIATED WITH (M1676), (M1670), AND (M1673), DO NOT ILLUMINATE. R & R BATTERY PACKS (M1676) (M1670) AND (M1673) IAW AMM 33-51-06-960-802. PERFORMED A GOOD EMERGENCY LIGHTS OPS CHK IAW AMM 33-51-00-710-801. DISPLACED AND RESTORED RETURN AIR GRILL AT 7FED AND 20CBA IAW AMM 21-23-03-400-802.

More about the Boeing 737-8