What was found
AFT PIT DOOR SURROUND LOWER SILL WEB CORRODED IN MULTIPLE AREAS. GROUNDED - YES. REMOVED AND REPLACED LWR SILL WEB AT AFT PIT DOOR SURROUND IAW BOEING 737-900ER SRM 51-40-02-0G-0W 2" O .050 R .030 L 4.5" D .020.
- Difficulty date
- February 13, 2022
- Submitted
- February 23, 2022
- Operation
- Air carrier
- Aircraft
- N238AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 62681
- Aircraft time
- 20,342 hours, 6,656 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Web
- Part number
- 146A8123025
- Condition
- Corroded
- 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.