Service difficulty report · Sdac · Airbus A320232

Difficulty date
July 1, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N403UA
Make and model
Airbus A320232
Aircraft serial
442
Aircraft time
91,366 hours, 35,710 cycles
Part
Sdac
Part number
UNKNOWN
Condition
Inoperative
Location
Nr 2
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

PACK 1 AND 2 FAULT DISPLAYED ON UPPER ECAM SCREEN. - AIR MET CREW UPON ARRIVAL AND VERIFIED NO PRESSURIZATION ISSUES, AND PACKS OPERATED NORMAL. CREW REPORTED THAT MESSAGE SEEMED UNRELIABLE AND POSSIBLY ERRONEOUS. REVIEWED PFR, LLR AND PLR FOR ASSOCIATED MESSAGES. FOUND SDAC 2 WITH NO FURTHER DEFECTS NOTED. SDAC PARTS TRANSACTION ADDED ON AND AIR PACK 1+2 FAULTS. TROUBLESHOT IAW FIM TASK ASSOCIATED LOGPAGE. IMAGES ADDED OF REPORTS. 31-54-00-810-908A AND REPLACED SDAC 2 IAW AMM 31-55-34 AND ACCOMPLISHED SUCCESSFUL OPERATIONAL CHECK OF SDAC AND BOTH PACKS

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