SDR AALA202110257875

Service difficulty report · Power Supply · Airbus A300*

Difficulty date: October 22, 2021
Submitted: October 25, 2021
Operation: Air carrier
Aircraft: N173US
Make and model: Airbus A300*
Aircraft serial: 1481
Aircraft time: 67,807 hours, 25,636 cycles
System (JASC): 3350 · Emergency Lighting
Part: Power Supply
Part number: 32145410
Part serial: 3268
Condition: Inoperative
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 POWER SUPPLY UNIT EXT LOAD AFT LEFT AND EMERGENCY POWER SUPPLY UNIT COMMUNICATION FORWARD LEFT IS SHOWN. PERFORMED TROUBLE SHOOTING PROCEDURE PER TSM 33-51-00-810-808-A, AND REPLACED EMERGENCY POWER SUPPLY UNIT FIN 10WL (AALA202110241758), EMERGENCY POWER SUPPLY UNIT FIN 13WL PER AMM 33-51-38-400-001-A, REPLACED LEFT ESCAPE-SLIDE PACK ASSEMBLY (AALA202110257822) FIN 7502MM PER AMM 25-62-44-400-006-A.