What was found
WHILE TROUBLEHSHOOTING FLAP DRIVE FAILURE, FOUND LEFT FLAP GEARBOX DRIVESHAFT SHEARED. THIS WAS CAUSED BY RIGHT FLAP GEARBOX SEIZING. REPLACED GEARBOX WITH UPGRADED DASH 38 UNIT iAW CESSNA SB 558-27-16, REV 7.
- Difficulty date
- November 12, 1997
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N45NS
- Make and model
- Cessna 550
- Aircraft serial
- 5500479
- System (JASC)
- 2750 · Trailing Edge Flap Control System
- Part
- Gearbox
- Part number
- 556517531
- Condition
- Sheared
- Location
- Lt Flap
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.