SDR ASAA2018082982949

Service difficulty report · Battery Pack · Boeing 737890

Difficulty date: August 28, 2018
Submitted: August 29, 2018
Operation: Air carrier
Aircraft: N523AS
Make and model: Boeing 737890
Aircraft serial: 35194
Aircraft time: 34,358 hours, 11,924 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Condition: No Test
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

WHILE PERFORMING T/C 78233001, FOUND THE EMERGENCY LIGHTS DID NOT PASS A CAPACITY TEST, OVERWING, AFT EXIT, EXTERNAL LEFT AND RIGHT, LEFT AND RT OVERHEAD BIN ROWS 16 - 25, ENTRY OVERHEAD EXIT, AND L1 DOOR LIGHTS. ACFT GROUNDED. REMOVED & REPLACED THE BATTERY PACKS IAW AMM 33-51-06. OPS CHECKED GOOD.