# SDR FDEA201708152221

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2017
- Submitted: August 16, 2017
- Operation: Air carrier
- Aircraft: [N730FD](https://openairdocs.org/aircraft/N730FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 659
- Aircraft time: 42,037 hours, 22,231 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Fmc
- Part number: 4045053914
- Part serial: 83060209
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201708152221

## Discrepancy

PASSING FL 180, ALTIMETERS 1 AND 2 FAILED, RED FLAG IN BOTH INTRUMENTS.  CAME BACK BUT INTERMITTENT.  CHECKED LAST FLIGHT FAULTS, ADC 2 FAULTED SEVERAL TIMES ON LAST AND PREVIOUS FLIGHT LEGS. REMOVED AND REPLACED THE NR 2 ADC IAW AMM 34-11-34-04.  OPS CHECKED NR 1 AND 2 ADC, BOTH CHECKED GOOD. ALSO, FMC 1 FLAGGED FOR PAST SEVERAL FLIGHT LEGS. REMOVED AND REPLACED THE NR 1 FMC IAW AMM 34-68-34-04.

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