# SDR 9800409915

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N965N
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47417
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 2045054
- Condition: Inoperative
- Location: Tail Compt
- Part time: 38,641 hours
- Stage of operation: CR
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9800409915

## Discrepancy

IN CRUISE FLIGHT, SMOKE IN CABIN ACTIVATED FORWARD LAVATORY SMOKE ALARM.  FLIGHT CREW DECLARED RED EMERGENCY AND LANDED AT DESTINATION WITHOUT INCIDENT.  MAINTENANCE REPLACED THE LEFT AIR CYCLE MACHINE AND THE LEFT AND RIGHT COALESCER BAG FILTERS.  OPERATIONAL CHECK OK.

---
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.