SDR YENA2022022500099

Service difficulty report · Epsu · Airbus A320232

Difficulty date: January 21, 2022
Submitted: February 25, 2022
Operation: Air carrier
Aircraft: N662JB
Make and model: Airbus A320232
Aircraft serial: 3263
Aircraft time: 52,146 hours, 18,502 cycles
System (JASC): 3350 · Emergency Lighting
Part: Epsu
Part number: 32145410
Part serial: 5143
Condition: Failed
Location: 12wl
Part time: 64,000 hours, 22,914 cycles
Stage of operation: IN
How discovered: O
Nature of condition: J
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 UNIT FAILT 10WL, 11WL, 12WL, 13WL ON PASSENGER CABIN ; REMOVED AND REPLACED EMERGENCY SUPPLY UNIT (EPSU) FIN 10WL, 11WL, 12WL, 13WL IAW AMM 33-51-38-400-001-A AND PERFORMED BITE TEST IAW AMM 33-51-38-400-001-A TEST IS OK REF AEROMAN WO# 2021-342/1 WCC# 2021-567974

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