# SDR DJFA2008011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2008
- Submitted: March 10, 2008
- Operation: Air carrier
- Aircraft: N482LX
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK413
- Engine: Pwa JT15D5
- Engine time: 2,168 hours, 1,870 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 79015510
- Part serial: F61434
- Condition: Malfunctioned
- Location: Lt Engine
- Part time: 2,168 hours, 1,870 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DJFA2008011

## Discrepancy

DURING CRUISE, CREW NOTED LT ENGINE ROLL BACK FROM 95.7 TO 91.0 WITH SIMULTANEOUS FUEL FLOW AND ITT FLUX.  AC WAS AT FL 380 WITH AN OAT OF -33 C IN CLEAR AIR.  ENGINE ANTI-ICE WAS OFF.  MAINTENANCE FOUND THE LEFT HMU FAILED.  IT WAS REPLACED

---
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.