# SDR 20000517SH029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 1999
- Submitted: May 17, 2000
- Operation: Air carrier
- Aircraft: [N901CF](https://openairdocs.org/aircraft/N901CF), registered now
- Make and model: Doug MD 900
- Registry model: [Doug MD 900](https://openairdocs.org/model/mcdonnell-douglas-helicopter-md-900) (OpenAirDocs)
- Aircraft serial: 90000012
- Engine: Pwa PW206A
- System (JASC): [7720 · Engine Temperature Indicating System](https://openairdocs.org/jasc/7720)
- Part: Control Box
- Part number: 312299201
- Part serial: EM0005656
- Condition: Failed
- Location: Mgt
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000517SH029

## Discrepancy

REJECTED NEW OUT-OF-BOX.  BOX WAS TRIMMED TO 111 C, BUT LATER FOUND OUT THAT PWC HAD ALREADY TRIMMED THE OVERHAULED ENGINE IN THE TEST CELL FOR ADDITIONAL 9 C THAT IS OPERATED WITH SB 28171.  REPLACED W ITH NEW UNIT, CORRECTED PROBLEM.  (X)

---
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.