# SDR ABXR201072000023A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2008
- Submitted: July 20, 2010
- Operation: General aviation
- Filed by: [Airborne Maintenance & Engineering Services Inc, repair station ABXR001A](https://openairdocs.org/faa-repair-station/ABXR001A/airborne-maintenance-engineering-services-inc.md) (OpenAirDocs)
- Aircraft: [N313AA](https://openairdocs.org/aircraft/N313AA), registered now
- Make and model: Boeing 767223
- Aircraft serial: 22316
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Check Valve
- Part number: 77385619
- Part serial: 891128
- Condition: Cracked
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXR201072000023A

## Discrepancy

(ABXR) DURING A MX INSP EVENT, WHILE DOING AN INSP OF THE NR 1 ENG 8TH STAGE CHECK VALVE IAW AD 90-12-02 IAW SB 36-2078, REV 2, FOUND APPROX A 1 INCH CRACK IN THE CONE SEAT AREA. R & R THE VALVE IAW MM.

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