# SDR WX0A2016031673107

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2016
- Submitted: March 16, 2016
- Operation: Air carrier
- Aircraft: N422NV
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49381
- Aircraft time: 54,516 hours, 47,527 cycles
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Vertical Gyro
- Part number: 2587335113
- Part serial: 87056158
- Condition: Faulty
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2016031673107

## Discrepancy

AFTER TAKEOFF, CLIMBING THROUGH 10,000, PLATFORM 2 FAILED, MSG ON FMS SCRATCHPAD.  SHORTLY AFTER, PLATFORM 1 FAILED RESULTING IN LOSS OF BOTH FLIGHT DIRECTORS, AUTOPILOT, AUTO THROTTLES & BOTH FMA'S.  PERFORMED FAULT REVIEW & SHOWS ATT 1 & 2 SIGNAL FAULTS IAW MM 22-01-05.  R & R NR & 2 VERTICAL GYRO IAW AMM 34-23-01-2.  OPERATIONS CHECKED NORMAL IAW AMM 34-23-00.  RTS SYS IAW MM 22-01-05, SYS PASSED.

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