# SDR 07FDEA02348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2007
- Submitted: July 2, 2007
- Operation: Air carrier
- Aircraft: [N617FE](https://openairdocs.org/aircraft/N617FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48748
- Aircraft time: 41,227 hours, 9,366 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Element
- Part number: 356632255
- Condition: Failed
- Location: Cabin Air
- Stage of operation: CL
- 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/07FDEA02348

## Discrepancy

AT SFS DURING PRE-FLIGHT, GOT AIR SYSTEM TEST FAIL.  TRIED SECOND TIME WITH SAME ALERT.  CALLED MX, THEY TEST AIR SYSTEM AND GAVE OK TO GO.  UPON DEPARTURE DURING CLIMB, GOT AVIONICS FAN OVRD PASSING FL230 FOLLOWED SHORTLY BY LEVEL 2 AIR MANF 1 FAIL.  FOLLOWED QRH AND RETURNED TO SFS.  REMOVED AND REPLACED MANIFOLD FAILURE SENSING ELEMENT D1-44C, P/N 35663-2-255, PER MM 36-23-07-4.  SYSTEM TEST PASSED AS PER MM 36-23-07-5, A/C OK FOR SERVICE.

---
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.