# SDR SWAA2022060615637

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2022
- Submitted: June 6, 2022
- Operation: Air carrier
- Aircraft: [N7827A](https://openairdocs.org/aircraft/N7827A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 28255
- Aircraft time: 54,876 hours, 35,222 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Fire Bottle
- Condition: Smoke
- Location: Tail
- Stage of operation: EX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022060615637

## Discrepancy

SMOKE FROM PACKS ON APU. APU TRIPPED OFF BUSSES. FIRE HANDLE PULLED; BOTTLE DISCHARGED. ACRID SMELL IN COCKPIT + THROUGHOUT CABIN. HAZE VISIBLE FROM FORWARD. CABIN. / [01] PERFORMED APU GENERATOR OPS AND LEAK CHECK PER AMM 49-41-21. OPS CHECK GOOD.

---
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.