# SDR AALA20151202004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2015
- Submitted: December 2, 2015
- Operation: Air carrier
- Aircraft: N971TW
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53621
- Aircraft time: 44,691 hours, 21,967 cycles
- System (JASC): [3441 · Inertial Guidance System](https://openairdocs.org/jasc/3441)
- Part: Iru
- Condition: Faulty
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20151202004

## Discrepancy

EMERGENCY DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT.  DURING CRUISE LOST BOTH FMS, HEADING SYSTEMS, FD"S & FMA.  LOST AUTO THROTTLES & AUTO PILOT.  R & R AFMC IAW AMM 22-01-05 & NR 1 & NR 2 IRU IAW AMM 34-43-01.  SEE ALSO AALA20151202003 & AALA20151130007.

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