# SDR HALA9900119

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N661HA
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47796
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Switch
- Condition: Failed
- Location: Apu Oil System
- 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/HALA9900119

## Discrepancy

HNL - FLT 106 - FLIGHT ATTENDANTS REPORT HAZE AND UNUSUAL ODOR IN CABIN AND SMOKE ALARM ACTIVATION.  REPLACED APU OIL PRESSURE SEQUENCE SWITCH, OPS CHECK OK.  (M)

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