- Difficulty date
- September 24, 2013
- Submitted
- November 11, 2013
- Operation
- Air carrier
- Make and model
- Boeing 75728A
- Aircraft serial
- 28164
- Aircraft time
- 64,979 hours, 19,693 cycles
- Part
- Floorbeam
- Part number
- 141N51231
- Condition
- Corroded
- Location
- Zone 200
- 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.
What was found
BS 377.7 FLOORBEAM UPPER FLANGE FOUND CORRODED AT UPPER AND LOWER SURFACES LBL 24.75- RBL 8. CORROSION REMOVED IAW SRM 51-10-02 REV 109 & FOUND OUT OF LIMITS IAW SRM 53-00-51 ALLOWABLE DAMAGE 1 FIG 101 REV 109. NEW FLOORBEAM FABRICATED AS PER DWG 414N5123 SHT 1 REV A. FLOORBEAM REMOVED & REPLACED WITH FABRICATED FLOORBEAM IAW SRM 51-40-02 REV 109 & DWG 141N5113 SGT 1 REV F. REPAIR CLASSIFIED AS MAJOR.