# SDR AALA202504049130

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2025
- Submitted: April 5, 2025
- Operation: Air carrier
- Aircraft: [N901NN](https://openairdocs.org/aircraft/N901NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33226
- Aircraft time: 36,872 hours, 15,847 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Gpws
- Condition: Faulted
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202504049130

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: TERRIAN FAILED ON BOTH CAPTAIN AND FIRST OFFICER NAVIGATION DISPLAYS THE (GPWS)-GROUND PROXIMITY WARNING SENSOR INOPERATIVE LIGHT DISPLAYED; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. ACCOMPLISHED FIM TASK 34-46-00 AND GPWS OPERTIONAL CHECK GOOD, NO FAULT FOUND.

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