# SDR AALA202601274171

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2026
- Submitted: January 27, 2026
- Operation: Air carrier
- Aircraft: [N909AN](https://openairdocs.org/aircraft/N909AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29511
- Aircraft time: 68,137 hours, 28,409 cycles
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Microphone
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: NR
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202601274171

## Discrepancy

AIRCRAFT WAS GROUNDED: FIRST OFFICER HEADSET JACK AND MICROPHONE INOPERATIVE. CANNOT PERFORM EMERGENCY PROCEDURES ON BLOCK 1 AIRCRAFT WITHOUT BOOM MIKE INOPERATIVE. REMOVE AND REPLACED FIRST OFFICER MICROPHONE JACK. PER SWPM 20-30-12 AND PROPERLY STOWED FIRST OFFICER OXYGEN MASK. PER AMM 35-12-85. OPS CHECK GOOD, PER AMM 23-51-00.

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