What was found
***CORROSION*** ON INTERCOSTAL ATTACH ANGLE AT AREA AFT OF ACB BS947 S-20R WL187. MARKED / REMOVED AND REPLACED T-CLIP AT STA. 947 S-20R WL187 PER SRM 51-40-02; 51-40-05; SRM 51-20-01; SOPM 20-41-02 AND DWG; 147A8801 91195U 5-8-21
- Difficulty date
- April 27, 2021
- Submitted
- June 3, 2021
- Operation
- Air carrier
- Aircraft
- N412WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29818
- Aircraft time
- 65,852 hours, 38,836 cycles
- System (JASC)
- 5340 · Fuselage Main, Attach Fittings
- Part
- Attach Angle
- Condition
- Corroded
- Location
- Bs 947 S20r
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.