# SDR DALA2021081004570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2021
- Submitted: August 10, 2021
- Operation: Air carrier
- Aircraft: [N3731T](https://openairdocs.org/aircraft/N3731T), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30775
- Aircraft time: 60,951 hours, 28,779 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Module
- Part number: C17001DA01
- Part serial: 9755
- Condition: Inoperative
- Location: Nr 1
- Part time: 12,646 hours, 5,321 cycles
- 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/DALA2021081004570

## Discrepancy

SHIP 3731 -ATB- DUE TO ENGINE FAULT LIGHT ILLUMINATED WITH BOTH EECS IN ALT. ALSO HAVE A CAPT. ALTITUDE AND AIRSPEED DISAGREE. ON APPROACH HAD A FLAP DISAGREE MESSAGE.   FOUND CAPTAIN'S PITOT LINE DISCONNECTED FROM ADM. REPLACED CAPTAIN'S PITOT AND STATIC ADMS. REPLACED LEFT AOA SENSOR. OPS CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

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