What was found
DURING MX INSPECTION, FOUND THE RUDDER TORQUE TUBE UPPER SECTION SHOWS SIGN OF INTERNAL CORROSION. ACFT REMOVED FROM SERVICE. INSTALLED TORQUE TUBE IAW JIC 27-21-45. ACFT RETURNED TO SERVICE.
- Difficulty date
- October 16, 2012
- Submitted
- October 19, 2012
- Operation
- Air carrier
- Aircraft
- N420AT
- Make and model
- Aerosp ATR72
- Aircraft serial
- 420
- Aircraft time
- 32,535 hours, 35,250 cycles
- System (JASC)
- 5540 · Rudder Structure
- Part
- Torque Tube
- Condition
- Corroded
- Location
- Rudder
- 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.