What was found
R4 DOOR LOWER SILL NR 2 , 3, 4, FROM FWD HAT CHANNEL HAS SURFACE CORROSION. REMOVED AND REPLACED THE HAT CHANNELS IAW SRM 51-40-02, FOUND OUT OF LIMITS. INSTALLED THE CHANNEL IAW DWG 143N8328.
- Difficulty date
- April 29, 2018
- Submitted
- May 1, 2018
- Operation
- Air carrier
- Aircraft
- N544US
- Make and model
- Boeing 757251
- Aircraft serial
- 26491
- Aircraft time
- 69,549 hours, 22,281 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Channel
- Condition
- Corroded
- Location
- R4 Door Sill
- 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.