# SDR HALA0700178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2007
- Submitted: April 24, 2007
- Operation: Air carrier
- Aircraft: [N479HA](https://openairdocs.org/aircraft/N479HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55124
- Aircraft time: 8,691 hours, 21,521 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Valve
- Part number: 1796251
- Part serial: 7693001033
- Condition: Failed
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA0700178

## Discrepancy

CABIN CREW REPORTS ACIDIC ODOR IN THE CABIN CAUSING HEADACHE AND SORE THROAT.  REMOVED AND REPLACED APU START PURGE VALVE PER AMM 49-31-12-(6597).  OPS CHECK GOOD, NO ODORS DETECTED.

---
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.