# SDR AALA202606184069

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2026
- Submitted: June 18, 2026
- Operation: Air carrier
- Aircraft: [N750AN](https://openairdocs.org/aircraft/N750AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30259
- Aircraft time: 96,855 hours, 12,458 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Shutoff Valve
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202606184069

## Discrepancy

AIRCRAFT WAS GROUNDED: AIRFLOW OFF LIGHT ILLUM ABOVE 250000 (RESET NO HELP) IN MDCR,. DECESION MADE TO RETURN TO MIA. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED MDCR SHUTOFF VALVE IAW AMM 21-29-10.

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