# SDR IXXA0500117O

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2005
- Submitted: November 21, 2005
- Operation: Air carrier
- Aircraft: [N799AL](https://openairdocs.org/aircraft/N799AL), registered now
- Make and model: Doug DC-8-62
- Registry model: [Doug DC-8-62](https://openairdocs.org/model/mcdonnell-douglas-dc-8-62) (OpenAirDocs)
- Aircraft serial: 45922335
- Aircraft time: 77,263 hours, 23,888 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Valve
- Part number: 2563375010
- Part serial: 6005111
- Condition: Leaking
- Location: Anti Ice Sys
- Part time: 77,263 hours, 23,888 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IXXA0500117O

## Discrepancy

DURING CRUISE, LT MANIFOLD INFLIGHT DECAY CHECK FAILED 30-20 PSI IN ONLY 1.5 SECONDS. CREW RETURNED A/C  AND LANDED W/O INCIDENT. ON THE GROUND, DECAY CHECK WAS 5 SECONDS.  RT MANIFOLD GROUND DECAY FAILED 30-20-PSI IN ONLY 5 SECONDS.  UPON INSPECTION MX FOUND LEAKING DUCT CLAMPS IN CROSS WING MANIFOLD. TIGHTENED AND REPLACED AS NECESSARY.  FOUND PRESSURE RELIEF VALVES ON NR 1 AND 3 WOULD NOT CLOSE ON SCHEDULE, ALSO, FOUND LT FLOW CONTROL VALVE LEAKING THROUGH VALVE WHEN CLOSED.  FOUND NR 4 WING ANTI-ICE VALVE LEAKING, CENTER SLOTTED EXTEND WING VALVE BLEED AIR DUCT LT SIDE LEAKING AT CLAMP AND A BROKEN DUCT FLANGE.  ALL VALVES AND DUCTS WERE REPLACED PER ALL APPLICABLE MANUALS AND A/CT WAS RETURNED TO SERVICE.

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