What was found
CORROSION ON AFT CARGO BAY INTERCOSTAL AT BS 772; RBL 20; WL 154. REMOVED AND REPLACED AFT CARGO BAY INTERCOSTAL AT BS 767 - 787 RBL 20 WL 154 PER SRM 51-40-02-0G-0 SRM 51-40-05-0G-0 DWG 146A0081 AND DWG 146A8123.
- Difficulty date
- May 26, 2020
- Submitted
- June 12, 2020
- Operation
- Air carrier
- Aircraft
- N477WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33988
- Aircraft time
- 55,517 hours, 32,839 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 146A0081
- 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.