What was found
CORROSION ON LT CABIN FLOOR CUSP WEB UPPER/LOWER SURFACE BTW LBL 54 AND 60 FROM BS 598 TO 712. THE CUSP WEB WAS REPLACED IAW SRM 53-05 FIG. 131A-24, AND SRM 51-30-01, 51-30-02, 51-30-05.
- Difficulty date
- September 1, 2017
- Submitted
- September 2, 2017
- Operation
- Air carrier
- Aircraft
- N922DL
- Make and model
- Doug MD88
- Aircraft serial
- 49646
- Aircraft time
- 76,246 hours, 57,890 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Cusp Web
- Condition
- Corroded
- Location
- Bs 598-712
- 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.