What was found
HOUSING ASSEMBLY IS CORRODED ON THE SEAL PLATE SURFACE, IN THE CHECK VALVE PORTS AND BOLT HOLES. HOUSING ASSEMBLY IS MADE FROM MAGNESIUM ALLOY AND IS EXTREMELY SUSCEPTIBLE TO DISSIMILAR METAL CORROSION AND CRACKS.
- Difficulty date
- July 23, 2001
- Submitted
- September 14, 2001
- Operation
- General aviation
- Make and model
- Boeing 727
- System (JASC)
- 2730 · Elevator Control System
- Part
- Housing
- Part number
- 401606223
- Condition
- Corroded
- Location
- Seal Plate
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.