SDR YENA2020011380011

Service difficulty report · Battery · Airbus A321231

Difficulty date: January 8, 2020
Submitted: January 13, 2020
Operation: Air carrier
Aircraft: N944JT
Make and model: Airbus A321231
Aircraft serial: 6359
Aircraft time: 23,101 hours, 4,445 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: 321431
Part serial: 850087
Condition: Failed
Location: Cabin
Part time: 3,770 hours, 737 cycles
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

FT # 834, SFO-BOS. PERFORMED TASK CARD A320-33-51-00-710-003.(CHECK THE BATTERY CAPACITY) 10WL, 15WL, 11WL, 14WL, AND 12WL FAIL TEST; REF LP 2789771-1. ALSO REPLACED 11WL AND 12WL WITH OPS CK GOOD PER AMM 33-51-38. REMOVED AND REPLACED EMERGENCY BATTERY (10WL) PER AMM 33-51-38. REPLACED EMERGENCY BATTERIES 14WL AND 15WL PER AMM 33-51-38. OPS CHECK GOOD.

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