What was found
DURING FINAL APPROACH, THE LT ENGINE HAD AN UNCOMMANDED AUTOFEATHER. ACFT LANDED SAFELY. R & R THE HIGH & LOW PRESSURE AUTOFEATHER SWITCHES. INSTALLED SERVICEABLE UNITS, LEAK & FUNCTION CHECKS NORMAL. ACFT RETURNED TO SERVICE.
- Difficulty date
- April 19, 2012
- Submitted
- April 25, 2012
- Operation
- Air carrier
- Aircraft
- N136SL
- Make and model
- Piagio P180
- Aircraft serial
- 1101
- Aircraft time
- 7,421 hours, 5,487 cycles
- Engine
- Pwa PT6A66
- Propeller
- Hartzl HCE5N3
- System (JASC)
- 6123 · Propeller Feathering/Reversing
- Part
- Switch
- Condition
- Malfunctioned
- Location
- Autofeather Sys
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- S, F
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.