What was found
DURING INITIAL INSPECTION MAINTENANCE FOUND LEVEL 2 CORROSION ON FLOOR STRINGERS, RBL 7.55 AT STA 1333, STA 1362, STA 1374, RBL 10.45 AT STA 1360, STA 1371 AND RBL 16.10 AT STA 1374. STRINGERS REPAIRED PER SRM.
- Difficulty date
- December 18, 2020
- Submitted
- December 21, 2020
- Operation
- Air carrier
- Aircraft
- N591NW
- Make and model
- Boeing 757351
- Aircraft serial
- 32991
- Aircraft time
- 61,313 hours, 20,095 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Condition
- Corroded
- Location
- Cabin
- 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.