# SDR NACA2024021600001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2024
- Submitted: February 21, 2024
- Operation: Air carrier
- Aircraft: N405K
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft serial: 25267
- Aircraft time: 60,920 hours, 44,071 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Pitot Head
- Part number: 0856AE19
- Part serial: 276082
- Condition: Failed
- Location: Captain'S
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2024021600001

## Discrepancy

FAILURE OF AIRSPEED INDICATORS. REPLACED CAPT L UPPER PITOT-STATIC PROBE IAW AMM 34-11-11. LH AND RH PITOT STATIC LEAK CHECK GOOD. FLUSHED DEBRIS OUT OF CAPT AND FO PITOT-STATIC TUBES PER AMM 34-11-01. UNIT IS UNKNOWN TO TRAX.

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