What was found
C4 CHECK, LEVEL 2 FILIFORM CORROSION ON HAT STIFFENER AT BS 1656, RBL 63. REPLACED HAT STIFFENER AT BS 1656, RBL 63 IAW SRM 51-40-02 & DWG 146N8016.
- Difficulty date
- May 6, 2014
- Submitted
- May 9, 2014
- Operation
- Air carrier
- Aircraft
- N939UW
- Make and model
- Boeing 7572B7
- Aircraft serial
- 27303
- Aircraft time
- 64,411 hours, 24,551 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Part number
- 146N80162
- 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.