# SDR IPXA2020102161537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2020
- Submitted: October 23, 2020
- Operation: Air carrier
- Aircraft: [N251UP](https://openairdocs.org/aircraft/N251UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48744
- Aircraft time: 62,419 hours, 13,942 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Stage of operation: CL
- 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/IPXA2020102161537

## Discrepancy

INSPECTION TYPE: N/A STRONG CHEMICAL SMELL IN CABIN DURING CLIMBOUT THE SMELL SEEMED TO DISSIPATE SOME WHAT DURING FLIGHT.  PERFORMED OPERATIONAL CHECK OF AIR CONDITIONING PACKS WITH ENGINES RUNNING & WITH GROUND AIR SOURCE, REF MD11 AMM 21-53-00 & MD11 AMM 36-10-00.  OPERATIONS CHECKS NORMAL AT THIS TIME NO DEFECTS NOTED NO CHEMICAL SMELL NOTED AT THIS TIME CAN NOT DUPLICATE.

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