# SDR CA960312021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Snias AS350BA
- Engine: Tmeca ARRIEL1B
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: B-Nut
- Condition: Loose
- Location: Apu Gas Gen Vent
- Stage of operation: CL
- Nature of condition: E, O
- Precautionary procedure: A, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960312021

## Discrepancy

(CAN) APPROXIMATELY 1 MINUTE AFTER TAKEOFF, A POP WAS HEARD. AIRCRAFT LANDED BACK AT STAGING AREA. INVESTIGATION REVEALED GAS GENERATOR VENT LINE HAD COME UNDONE AT THE 'B' NUT. NUT WAS RE-INSTALLED AND TORQUED. GROUND RUN SUCCESSFULLY. AIRCRAFT RETURNED TO SERVICE.

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