SDR ASAA2013050594712

Service difficulty report · Battery Pack · Boeing 737890

Difficulty date: May 5, 2013
Submitted: May 7, 2013
Operation: Air carrier
Aircraft: N593AS
Make and model: Boeing 737890
Aircraft serial: 35107
Aircraft time: 19,723 hours, 6,177 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: D71702001
Condition: Failed
Location: Emergency Light
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

EMERGENCY LIGHT BATTERY PACKS M1676, M1870, M1871, AND M1875 FAIL DEEP CYCLE CHECK. ACFT GROUNDED. AT POSITIONS M1676, M1870, AND M1871, REMOVED, REPLACED, AND TESTED EMERGENCY LIGHT BATTERY PACKS PER MM 33-51-06-960-805 - OPS NORMAL. AT POSITION M1875 - REMOVED, REPLACED, AND TESTED EMERGENCY LIGHT POWER SUPPLY AND BATTERY PACK IAW MM 33-51-06-960-806. OPS NORMAL.