# SDR DHL2001727556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2001
- Submitted: September 14, 2001
- Operation: Air carrier
- Aircraft: [N727DH](https://openairdocs.org/aircraft/N727DH), registered now
- Make and model: Boeing 727-200
- Registry model: [Boeing 727-200](https://openairdocs.org/model/boeing-727-200) (OpenAirDocs)
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Selector Valve
- Part number: 69162941
- Condition: Broken
- Location: A/C Bay
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2001727556

## Discrepancy

ON C-CHECK, FWD CARGO, A/C DISTRIBUTION BAY, THE SELECTOR VALVE AT THE MANIFOLD Y-DUCT IS BROKEN AT LOWER PIVOT BUSHING.  REMOVED AND REPLACED VALVE ASSY SHAFT AND DAMPER ASSY, AT MANIFOLD Y-DUCT IAW MM CHP 21-20-3.  SYSTEM NEEDS OPS AND LEAK CHECK AND A/C DISTRIBUTION BAY THE SELECTOR VALVE B-727 IAW MM 21-20-3.

---
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.