# SDR HALA2011073100343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2011
- Submitted: August 1, 2011
- Operation: Air carrier
- Aircraft: [N581HA](https://openairdocs.org/aircraft/N581HA), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28141
- Aircraft time: 36,528 hours, 6,847 cycles
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Unknown
- Condition: Unknown
- Location: Adi
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2011073100343

## Discrepancy

ETOPS SIGNIFICANT SYS - CAPT'S ADI INTERMITTENTLY SHOWS ADI LOC COURSE AND G/S DEVIATION DOTS WITHOUT AN ILS FREQ SELECTED.  DISPLAY IS NORMAL IF ALT EFI SELECTED ON CAPT'S SIDE F/O DISPLAY IS NORMAL.  C/W FIM 34-22-00, FIG 104 AND 108 EFIS BITE PROCEDURE SYS IS OK.

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