# SDR 99ZZZX2061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Aero Controls, LLC, repair station IU6R626N](https://openairdocs.org/faa-repair-station/IU6R626N/aero-controls-llc.md) (OpenAirDocs)
- Make and model: Boeing 737*
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Manifold
- Part number: 65445656
- Condition: Cracked
- Location: Spoiler
- Part time: 11,998 hours
- Component: 654456114
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2061

## Discrepancy

MANIFOLD IS CRACKED IN THE PASSAGE BETWEEN THE FILTER PORT AND EXTEND CHECK VALVE TEST PORT.  ALSO, THE APEX BETWEEN THE EXTEND PORT PASSAGE AND RETRACT PORT PASSAGE IS CRACKED ALONG THE UPPER EDGE.  POSSIBLE CAUSE:  STRESS CRACKS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.