# SDR DHL2007750002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2007
- Submitted: March 26, 2007
- Operation: Air carrier
- Aircraft: [N750DH](https://openairdocs.org/aircraft/N750DH), registered now
- Make and model: Boeing 727-2M7
- Registry model: [Boeing 727-2M7](https://openairdocs.org/model/boeing-727-2m7) (OpenAirDocs)
- Aircraft serial: 21951
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Duct
- Part number: 652245113
- Part serial: NSN
- Condition: Leaking
- Location: Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2007750002

## Discrepancy

NR 1 FIRE HANDLE INTERMITTENTLY GOES OFF AFTER TAKEOFF.  FOUND SIX STAGE DUCT LEAKING AT FIREWALL ABOVE FIRELOOP REMOVED AND REPLACED DEFECTIVE DUCTING IAW B727 M/M 36-00-01.  PERFORMED ENG RUN NO LEAKS NOTED IAW ASTAR JRHCHPT 7.  REMOVED AND REPLACED FIRE LOOP DETECTION.

---
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.