# SDR SWAA2025040720989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2025
- Submitted: April 7, 2025
- Operation: Air carrier
- Aircraft: [N7825A](https://openairdocs.org/aircraft/N7825A), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 32750
- Aircraft time: 72,199 hours, 37,964 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Air Data Module
- Condition: Failed
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025040720989

## Discrepancy

IAS DISAGREE ON BOTH PFDS - CAPT SIDE UNRELIABLE. LOST AIRSPEED / ALTITUDE / EECS ON ALTN / SPEED TRIM FAIL.<[01] R&R FO?S AIR DATA MODULE IAW AMM 34-21-04;[02] R&R FO?S AIR DATA MODULE IAW AMM 34-21-04<BR>A/C RECERTIFIED TO CAT III STATUS PER MT 734-00-03<BR>VERIFICATION # 46983

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