# SDR HALA2010112600567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2010
- Submitted: November 29, 2010
- Operation: Air carrier
- Aircraft: N590HA
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33467
- Aircraft time: 30,939 hours, 5,814 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 4052506955
- Part serial: 88011034
- Condition: Failed
- Location: Nr 1
- Part time: 11,877 hours, 21,111 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2010112600567

## Discrepancy

ETOPS SIGNIFICANT SYSTEM, ATB, AFTER TAKEOFF TAT LIGHT ON LOSS A/T'S AND NO LNAV, VNAV CAPABILITES RTB W/NO AUTO NAV AVAILABLE FMCS UNRELIABLE (NO DATA).  REMOVED AND REPLACED NR 1 FMC COMPUTER GND CK OK PER AMM 34-61-01 TAT GND CK OK PER AMM 30-33-00-715-010, NO FAULTS FOUND.  MCDP TEST 2, 30'S, 40 PASSED A/C REMAIN IN LAND 3 STATUS.

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