What was found
COMPRESSOR STALL ON NR 1 ENGINE. NR 1 N1 ENGINE DROPPED OFF LINE ON SHORT FINAL. MAINTENANCE DETERMINED THROUGH HUMS DATA RETRIEVED THAT THE NR 1 ENGINE ITT HAD EXCEEDANCE 1006 DEGREES FOR 15 SECONDS. REPLACED ENGINE.
- Difficulty date
- January 17, 2003
- Submitted
- January 20, 2003
- Operation
- Air carrier
- Aircraft
- N2149S
- Make and model
- Bell 412
- Aircraft serial
- 36002
- Aircraft time
- 14,719 hours
- Engine
- Pwa PT6T3B
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Condition
- Overtemp
- Location
- Nr 1
- Part time
- 4,684 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.