SDR ASAA2016101118278

Service difficulty report · Battery Pack · Boeing 737790

Difficulty date: October 11, 2016
Submitted: October 13, 2016
Operation: Air carrier
Aircraft: N607AS
Make and model: Boeing 737790
Aircraft serial: 29751
Aircraft time: 57,451 hours, 26,219 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: ADD71701100
Condition: Failed
Location: Emergency Lights
Stage of operation: IN
How discovered: V
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 COMPLETING TC 78233001, FOUND FWD AND REAR OVERHEAD LIGHTS, L1 OUTSIDE LIGHT, L1 ABOVE AND SIDE LIGHTS, L2 OUTSIDE LIGHT, L2 OVERDOOR AND SIDE LIGHT, R2 OUTSIDE LIGHT, AND R2 SIDE LIGHT DID NOT STAY ON FOR NECESSARY 15 MINUTES. ACFT GROUNDED. REMOVED AND REPLACED THE POWER SUPPLY BATTERY PACKS IAW AMM 33-21-06-960-805. OPS CHECKED ACCOMPLISHED.