# SDR YYFA2012F00043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2012
- Submitted: January 5, 2012
- Operation: Air carrier
- Aircraft: N305FA
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49398
- Aircraft time: 57,627 hours, 32,862 cycles
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Gyro
- Condition: Failed
- Location: Directional
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YYFA2012F00043

## Discrepancy

PRIOR TO DEPARTURE, CABIN FILLED WITH SMOKE, EVACUATED.   CAPTAIN'S HEADING FLAG IN VIEW.   CONDUCTED A SCAN FOR HOT SPOTS USING THERMAL IMAGING, NO HOT SPOTS OBSERVED.  MX PERFORMED INSPECTION OF ALL READILY ACCESSIBLE AREAS.  ACCOMPLISHED RTS OF ALL SYS IAW AMM 22-01-05 ALL SYS ARE OPERATING NORMAL. R & R DIRECTIONAL GYRO IAW AMM 34-21-04 PERFORMED RTS IAW AMM 22-01-05, OPS CHECKED GOOD.  NO DEFECTS NOTED.  ACFT RETURNED TO SERVICE.  NO FURTHER REPORTS OF SMOKE IN CABIN REPORTED.

---
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.