# SDR AALA201907159019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2019
- Submitted: July 17, 2019
- Operation: Air carrier
- Aircraft: [N944AN](https://openairdocs.org/aircraft/N944AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29535
- Aircraft time: 56,618 hours, 23,186 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Antenna
- Part number: S67200218
- Condition: Faulty
- Location: Radar Altmeter
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201907159019

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS LANDING GEAR WARNING HORN SOUNDED FOR 20-30 SECONDS ON CLIMBOUT AT APPROX 1,000 AGL, GEAR UP, FLAPS 1 DEGREE, 2000 FPM CLIMB. MAINTENANCE REPLACED #1 AND # 2 R/A ANTENNAS IAW AMM 34-33-11. BOTH CHECK OK. ACCOMPLISHED LANDING WARNING SYSTEM TEST IAW AMM 31-51-00-730-802. SYSTEM CHECKS OK.

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