# SDR IPXA2026060401733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2026
- Submitted: June 4, 2026
- Operation: Air carrier
- Aircraft: [N133UP](https://openairdocs.org/aircraft/N133UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0816
- Aircraft time: 28,264 hours, 17,691 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 6272484
- Part serial: 111C10344
- Condition: Odor
- Location: Zone 100
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026060401733

## Discrepancy

IN DECENT WITH NON IDLE POWER SETTING THE #1 AND #2 HP VALVES CYCLED WITH A HOT SMELL. #1 HP EVENTUALLY FAULTED AND RESET VIA THE CHECKLIST. THE CYCLING CONTINUED DURING DECENT. ON FINAL WITH #2 PACK.  FOUND PNEUMATIC SYSTEM CONTROLLER 1 TO HAVE €ŒC CONTROLLER€? FAULT ON BITE TEST. REMOVED AND REPLACED PNEUMATIC SYSTEM CONTROLLER 1 IAW A300 36-11-19. PERFORMED BITE TEST AND NO FAULTS NOTED AT THIS TIME. PERFORMED BOTH ENG RUN IAW A300 AMM 71-00-00 AND OPS CHECKED GOOD AT THIS TIME. NO DEFECTS NOTED AT THIS TIME.

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