What was found
CORROSION ON BOX BEAM BETWEEN BS 720 - 740, LBL 62 AT PAX CABIN FLOOR STRUCTURE. THE CORROSION WAS REMOVED IAW SRM, INSP AND WAS FOUND TO BE OUT OF LIMITS PER SRM. BOX BEAM WAS REPLACED IAW SRM.
- Difficulty date
- January 18, 2020
- Submitted
- January 21, 2020
- Operation
- Air carrier
- Aircraft
- N547US
- Make and model
- Boeing 757251
- Aircraft serial
- 26494
- Aircraft time
- 75,026 hours, 24,583 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Box Beam
- Condition
- Corroded
- Location
- Bs 720-740
- 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.