# SDR IPXA2022122889373

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2022
- Submitted: December 29, 2022
- Operation: Air carrier
- Aircraft: [N293UP](https://openairdocs.org/aircraft/N293UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48473
- Aircraft time: 82,422 hours, 15,566 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: CR
- 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/IPXA2022122889373

## Discrepancy

ACFT HAD AN ODOR, SMELLS LIKE EXHAUST, POSSIBLY DIRTY AIR COALESCERS. RESIDUAL ODOR LINKED TO APU PNEUMATIC SYS. OPERATED ALL 3 PACKS FOR 30 MINS IAW AMM 21-53-00. NO FURTHER ODOR NOTED.

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