What was found
ACB LOWER CHORD UNDER THE SUB THRESHOLD WED HAS CORROSION AT BS 787+10 RBL 21 WL 156. REMOVED CORROSION ON ACB LOWER CHORD UNDER THRESHOLD WEB PER REF SRM 53-60-15-1A-1, FOUND TO BE OUT OF LIMITS. REPAIRED THE THRESHOLD WEB.
- Difficulty date
- June 29, 2021
- Submitted
- July 14, 2021
- Operation
- Air carrier
- Aircraft
- N226WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32494
- Aircraft time
- 53,110 hours, 31,655 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Condition
- Corroded
- Location
- Fuselage
- 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.