What was found
CLT - Q2 - LEVEL 2 FRETTING CORROSION ON APU TORQUE BOX INLET AT BS 1121 RIGHT SIDE. REPAIRED APU TORQUE BOX INLET AT BS 1121 RIGHT SIDE IAW EA 102942.
- Difficulty date
- May 13, 2011
- Submitted
- May 18, 2011
- Operation
- Air carrier
- Aircraft
- N421US
- Make and model
- Boeing 737401
- Aircraft serial
- 23988
- Aircraft time
- 60,126 hours, 40,383 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Torque Box
- Part number
- 65465792
- Condition
- Corroded
- Location
- Fuselage
- 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.