What was found
CORROSION ON FITTING (STA 1640) WITH ORIGINAL THICKNESS IS 0.140 INCHES. R4 DOOR LOWER SILL WAS REPLACED IAW PRI 635834-14 (1727245)(AIRCRAFT GROUNDED)
- Difficulty date
- July 29, 2026
- Submitted
- July 31, 2026
- Operation
- Air carrier
- Aircraft
- N588NW
- Make and model
- Boeing 757351
- Aircraft serial
- 32988
- Aircraft time
- 78,635 hours, 25,903 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Fitting
- 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.