# SDR HALA2011071000321

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2011
- Submitted: July 11, 2011
- Operation: Air carrier
- Aircraft: N584HA
- Make and model: Boeing 767-3G5
- Registry model: [Boeing 767-3G5](https://openairdocs.org/model/boeing-767-3g5) (OpenAirDocs)
- Aircraft serial: 24258
- Aircraft time: 95,518 hours, 18,262 cycles
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Indicator
- Condition: Dirty
- Location: Hsi
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2011071000321

## Discrepancy

ETOPS SIGNIFICANT SYS - F/O HSI INTERMITTENT. SELECTING ALT EFI DOESN'T CORRECT THE FAULT.  T/S IAW FIM 34-22-00/101, FIG 106. REMOVED INDICATOR AND CLEANED LINT FROM AIR INLET SCREEN.  REINSTALLED INDICATOR.  HSI CKS OK IN ALT EFI AND NORMAL.  F/O HSI OK FOR SERVICE.

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