SDR AALA202112029686

Service difficulty report · Power Supply · Airbus A300*

Difficulty date: December 1, 2021
Submitted: December 2, 2021
Operation: Air carrier
Aircraft: N913US
Make and model: Airbus A300*
Aircraft serial: 6255
Aircraft time: 23,597 hours, 9,201 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Condition: Failed
Location: Zone 200 - Fuse
Stage of operation: IN
How discovered: V
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

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY OPERATIONAL LIGHT TEST 33-51-00-710-001-A FAILS. REMOVED CEILING PANELS 231JC AND 251KC AND DISCONNECTED THE EXIT LIGHT SIGNS PER AIRBUS A321 AMM 25-23-41-400-001-A. PERFORMED THE EMERGENCY POWER SYSTEM UNIT RESET PROCEDURE PER AIRBUS A321 AMM 33-51-38-400-001-A. RECONNECTED THE EMERGENCY LIGHT SIGNS AND REINSTALLED THE CEILING LIGHT PANELS PER AIRBUS AMM 25-23-41-400-001-A.