SDR ASAA2016123019213

Service difficulty report · Battery Pack · Boeing 737890

Difficulty date: December 30, 2016
Submitted: January 4, 2017
Operation: Air carrier
Aircraft: N529AS
Make and model: Boeing 737890
Aircraft serial: 35198
Aircraft time: 26,419 hours, 7,926 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery Pack
Part number: D71702001
Condition: Failed
Location: Cabin
Stage of operation: IN
How discovered: C
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

BATTERY PACKS M1671, M1672, M1673, M1675, AND M1694 FAILED CAPACITY TEST REF T/C 78233001. GROUNDED - YES. REPLACED BATTERY PACKS AT M1671, M1672, M1675, AND M1694. REPLACED BATTERY AND CHARGER ASSEMBLY AT M1673. OPERATIONAL TEST OK, REF AMM 33-51-06/201.