SDR YENA201908152452

Service difficulty report · Battery · Airbus A320232

Difficulty date: August 12, 2019
Submitted: August 15, 2019
Operation: Air carrier
Aircraft: N564JB
Make and model: Airbus A320232
Aircraft serial: 2020
Aircraft time: 66,227 hours, 23,496 cycles
System (JASC): 3350 · Emergency Lighting
Part: Battery
Part number: 321431
Part serial: 790221
Condition: Failed
Location: Emergency Light
Part time: 11,691 hours, 4,441 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

DURING HEAVY MAINTENANCE, EPSU BATTERY ON THE FOLLOWING POSITIONS FAILED TEST 10WL, 11WL, 12WL. REMOVED AND REPLACED EPSU BATTERIES AT 10WL, 11WL AND 12WL IAW AMM 33-51-38. SYS OPS CHECKS NORMAL. R/R EPSU AT 11WL POSITION IAW AMM 33-51-38.

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