# SDR AALA202408079690

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2024
- Submitted: August 7, 2024
- Operation: Air carrier
- Aircraft: [N962NN](https://openairdocs.org/aircraft/N962NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33331
- Aircraft time: 28,566 hours, 11,744 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Antenna
- Part number: S67200228
- Condition: Faulted
- Location: Zone 100
- Stage of operation: DE
- 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/AALA202408079690

## Discrepancy

AIRCRAFT WAS GROUNDED: ON DESCENT AT APPROXIMATELY 7000 FEET AND 210 KNOTS LANDING GEAR WARNING HORN AND GEAR LIGHTS CAME ON. REMOVE AND REPLACED ALL 4 RADIO ALTIMETER ANTENNAS (AALA202408073814), (AALA202408079265), (AALA202408070020), (AALA202408079690). ALL TEST PASSED, FUNCATIONAL CHECK GOOD. PER AMM 34-33-11.

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