Service difficulty report · Power Supply · Airbus A300B4622R

Difficulty date
April 30, 2026
Submitted
May 1, 2026
Operation
Air carrier
Aircraft
N730FD
Make and model
Airbus A300B4622R
Aircraft serial
659
Aircraft time
50,408 hours, 27,422 cycles
Part
Power Supply
Part number
321490
Part serial
0257
Condition
Inoperative
Location
Zone 800
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CRUISE, THE L1 SLIDE ARMED WARNING BUZZER STARTED GOING OFF WITH THE SLIDE LIGHT FLASHING. WE PUSHED THE INTERIOR DOOR CONTROL HANDLE AND CHECKED THE LOCKING INDICATIONS WITH NO SUCCESS IN DEACTIVATING THE BUZZER. ALL DOOR AND SLIDE INDICATORS ON ECAM SHOW NORMAL. PERFORMED TEST ON POWER SUPPLY FAULTS NR 2 BATTERY. ORDERED 2 BATTERYS AND CHARGER IAW AMM 52-73-00-05-01. R & R AUTONOMOUS STANDBY POWER SUPPLY UNIT 70WN IAW AMM 52-73-18-04. OPS CKS GOOD.

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