SDR DALA2022052003462

Service difficulty report · None · Airbus A321211

Difficulty date: May 18, 2022
Submitted: May 20, 2022
Operation: Air carrier
Aircraft: N312DN
Make and model: Airbus A321211
Aircraft serial: 7364
Aircraft time: 14,214 hours, 6,939 cycles
System (JASC): 3350 · Emergency Lighting
Part: None
Condition: None
Stage of operation: IN
How discovered: O
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

WHILE WORKING SERVICE CHECK FOUND EPCU 13WL SHOWS UNIT FAULT.R AND R EPCU UPON TEST UNIT FAIL LIGHT ILUMMINSTED IAW A321 AMM 33-51-00-710-001-A PULLED H6, H05 AND V07 FOLOWED FIM 33-5100- 810-836-A ALL PINS SHORT TO GROUND ARE GOOD. ORDERED ANOTNE EPSU WIP 818435. REPLACED 13WL OPS CHECK IS GOOD PER A321 AMM 33-51 POWER SUPPLY, E OFF 34-3351-9-0001 02247 ON 33-3351-9-0002 51163. (LP# 2240640)

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