- Difficulty date
- November 24, 2021
- Submitted
- January 6, 2022
- Operation
- Air carrier
- Aircraft
- N7817J
- Make and model
- Boeing 7377L9
- Aircraft serial
- 28013
- Aircraft time
- 55,382 hours, 27,558 cycles
- Part
- Intercostal
- Condition
- Corroded
- Location
- Fuselage
- Stage of operation
- UK
- 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.
What was found
CORROSION ON INTERCOSTAL BS 1006-1016 RBL 18 WL 202. REMOVED CORROSION ON INTERCOSTAL BS1010-1016 RBL18 WL202 1.0'X6.0' IAW SRM 51-10-02-0G-0. UT INSPECTED BLENDED AREA FOR REMAINING THICKNESS IAW NDT MANUAL PART 4; 51-00-00 PROCEDURE 2. LOWEST READING NOTED IS .059 INCH. BLENDED AREA IAW NDT MANUAL PART 6; 51-00-00 PROCEDURE 23. NO CRACKS FOUND.