# SDR AALA201907199009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2019
- Submitted: July 19, 2019
- Operation: Air carrier
- Aircraft: [N926AN](https://openairdocs.org/aircraft/N926AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29527
- Aircraft time: 58,288 hours, 23,694 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Module
- Part serial: 2475
- Condition: Unreliable
- Location: Pitot/Static Sys
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201907199009

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS AT 78 KNTS F/O AIRSPEED. CAPT. WAS AT 95 KTS. IAS DISAGREE ALSO ILLUMINATED. ABORTED AT 78 KTS. MAINTENANCE ACCOMPLISHED TSM FOR FAULT MAINT MSG 31-65060 AIRSPEED DISAGREE IAW FIM TASK 31-62-00-810-876. PERFORMED FLUSH OF CAPT AND F/O PITOT SYSTEM IAW AMM 34-11-00-170-801. REMOVED AND REPLACED F/O PITOT DATA MODULE IAW AMM 34-21-04. OPS CHECK OK. PERFORMED LEAK TEST OF CAPT AND F/O PITOT SYSTEM IAW AMM 34-11-00. NO LEAKS AND AIRSPEED INDICATION CHECKED OK.

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