# SDR SWAA011655

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2001
- Submitted: June 18, 2001
- Operation: Air carrier
- Aircraft: N693SW
- Make and model: Boeing 737317
- Aircraft serial: 23174
- Aircraft time: 47,358 hours, 39,665 cycles
- System (JASC): [3411 · Pitot/Static System](https://openairdocs.org/jasc/3411)
- Part: Screw
- Part number: BACB30FL3
- Condition: Loose
- Location: Pitot Tube
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA011655

## Discrepancy

AIR TURNBACK.  DURING CLIMB F/A HEARD LOUD POP and HIGH SQUEAL STARTED IN COCKPIT.  FOUND CAPT AUX PITOT TUBE SCREWS LOOSE, TIGHTEN SCREWS PER MM.

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