What was found
APU TORQUE BOX CENTER STRINGER, AFT OF MAIN CUTOUT HAS A CORROSION. ACFT GROUNDED. APU TORQUE BOX CENTER STRINGER AFT OF MAIN CUTOUT, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-03-1A-1 AND R & R IAW SRM 51-40-02.
- Difficulty date
- August 3, 2015
- Submitted
- December 30, 2015
- Operation
- Air carrier
- Aircraft
- N764AS
- Make and model
- Boeing 7374Q8
- Aircraft serial
- 25101
- Aircraft time
- 69,511 hours, 45,218 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stringer
- Part number
- 6546579568
- Condition
- Corroded
- Location
- Bs 1129-1156
- 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.