SDR DALA2023032002060

Service difficulty report · Unknown · Airbus A330941

Difficulty date: March 19, 2023
Submitted: March 20, 2023
Operation: Air carrier
Aircraft: N409DX
Make and model: Airbus A330941
Aircraft serial: 1983
Aircraft time: 8,729 hours, 1,068 cycles
System (JASC): 3350 · Emergency Lighting
Part: Unknown
Condition: Unknown
Location: Unknown
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

SHIP 3409 DURING SVC CK FOUND EMER LIGHTS OUT AT SEATS 45-47HJ 51-53HJ AND 56-57HJ. CORRECTIVE ACTION: CIDS 1 EPSU TEST SHOWS EPSU (18WL) DOOR 4 FAULT, BITE TEST AT CONTROLLER SHOWS UNIT FAULT. NEW CONTROLLER WAS SLAVED IN AND IT ALSO SHOWS SAME FAULT. CHECKED CONNECTORS 5450VC: 48, 42, 38 NO DEFECTS NOTED. R/R EPSU 18WL AGAIN PER A330 AMM 33-52. OPS OK. (9930051)

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