# SDR SWIA971348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N156CA](https://openairdocs.org/aircraft/N156CA), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120156
- Engine: Pwa PW118
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: O Ring
- Condition: Failed
- Location: Lt Eng Bleed Air
- Stage of operation: CL
- Nature of condition: M, J
- Precautionary procedure: H, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA971348

## Discrepancy

LEFT ENGINE DUCT LEAK LIGHT ILLUMINATED SHORTLY AFTER TAKEOFF.  COMPLIED WITH QRH AND RETURNED TO PSP AND CONTACTED MAINTENANCE.  FOUND O-RINGS WORN ON COUPLER SLEEVE CAUSING LEFT ENGINE BLEED AIR DUCT TUBE ASSEMBLY TO LEAK AT LEADING EDGE AND AT WING TO FUSELAGE.  REMOVED AND REPLACED O-RING.

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