# SDR AALA2009062900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2009
- Submitted: July 3, 2009
- Operation: Air carrier
- Aircraft: [N970AN](https://openairdocs.org/aircraft/N970AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30096
- Aircraft time: 24,036 hours, 10,152 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Condition: Malfunctioned
- Location: Nr 1 Engine
- 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/AALA2009062900001

## Discrepancy

MIA - DURING CLIMBOUT ANTI-ICE OVER PRESSURE INDICATION.  EMERGENCY DECLARED RETURNED MIA WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  REPLACED NUMBER 1 ENGINE ANTI-ICE VALVE AND TIGHTENED LOOSE B-NUT AT PRESSURE SWITCH.   SYSTEM GROUND CHECK NORMAL OPERATION.

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