- Difficulty date
- April 23, 2008
- Submitted
- May 13, 2008
- Operation
- Air carrier
- Make and model
- Cessna 560XL
- Aircraft serial
- 5605661
- Aircraft time
- 1,531 hours, 1,173 cycles
- Engine
- Pwc PW545B
- Part
- Relay
- Part number
- LMP5001P
- Condition
- Inoperative
- Location
- Auto Pilot
- Part time
- 1,531 hours, 1,173 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNCOMMANDED EMERGENCY DESCENT WITH AUTOPILOT ENGAGED AT FL400. REPLACED RELAY KC009 AND CONNECTOR. IAW MFG WIRING DIAGRAM MAN 20-10-04. OPS CHECK GOOD. RELAY P/N LMP5001P S/N NSN/CONNECTOR LMS01T-TL S/N NSN / CONNECTOR P/N LMP4001S S/N NSN.