# SDR HALA2010091100414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2010
- Submitted: September 14, 2010
- Operation: Air carrier
- Aircraft: [N592HA](https://openairdocs.org/aircraft/N592HA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33468
- Aircraft time: 28,652 hours, 5,490 cycles
- Engine: Pwa PW4060
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Symbol Generator
- Part number: 6229436101
- Part serial: 1138R
- Condition: Malfunctioned
- Location: Cockpit
- Part time: 25,404 hours, 4,827 cycles
- Stage of operation: CR
- 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/HALA2010091100414

## Discrepancy

ETOPS SIGNIFICANT SYS -  APPROACHING WAYPOINT DUETS CAPT'S ADI & HSI WENT BLANK & A/C COMMENCED A TURN (LT) BACK TOWARDS WAY- POINT DINTY. LOWER EICAS DISPLAYED GROUND PROXIMITY COMPUTER BITE. SWITCHING EFI TO ALTERNATE & BACK TO NML RESTORED SYS TO NORMAL.   REPLACED CAPT SYMBOL GEN.  OPS CK OK IAW MM 34-22-00. PERF MCDP TEST 30 TEST PASSED. ACFT REMAINS IN LAND 3 LMP STATUS.

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