# SDR 98ZZZM961

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N774AT](https://openairdocs.org/aircraft/N774AT), registered now
- Make and model: Boeing 727290
- Aircraft serial: 21510
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Relay
- Condition: Failed
- Location: Right Pack
- Stage of operation: TX
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZM961

## Discrepancy

DURING TAXI, THE RIGHT AIR CONDITIONING PACK TRIPPED OFF AND CABIN IMMEDIATELY FILLED WITH SMOKE, GATE TURN BACK.  FOUND RIGHT PACK FAN DOOR NOT OPENING, REPLACED DOOR CONTROL RELAY, DOOR OPS CHECKED GOOD.  (M)

---
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.