# SDR TWAA9916401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N917TW
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49366
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Duct
- Condition: Contaminated
- Location: Lt Pack
- Stage of operation: LD
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA9916401

## Discrepancy

APPROXIMATELY ONE MINUTE BEFORE TOUCHDOWN SMOKE APPEARED THROUGHOUT THE CABIN.  SMOKE DISSIPATED WHEN THE PACKS WERE SHUT DOWN.  FOUND OIL IN THE LT PACK DUCT AFTER THE ACM.  PLACARDED THE ACM PER MEL.  CHECK-C 7-13-99 STL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.