What was found
FWD CARGO DOOR LOWER SILL HAS AREA OF CORROSION. GROUNDED - YES. REMOVED & REPLACED FWD CARGO DOOR LOWER SILL IAW B737-900 SRM 51-40-02-0G-0.W= 1.25" O= .045" R= .031" L= 3" D= .014".
- Difficulty date
- June 22, 2023
- Submitted
- July 21, 2023
- Operation
- Air carrier
- Aircraft
- N318AS
- Make and model
- Boeing 737990
- Aircraft serial
- 30018
- Aircraft time
- 64,297 hours, 25,973 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Part number
- 654A000358
- Condition
- Corroded
- Location
- 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.