What was found
FWD CARGO DOORWAY SILL WEB CORRODED STA-440 TO STA-490. GROUNDED - YES. DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-15-1A-1. REMOVED AND REPLACED SILL WEB IAW B737-900ER SRM 51-40-02-0G-0W 2 O .045 R .039 L 10 D .006.
- Difficulty date
- January 4, 2024
- Submitted
- January 24, 2024
- Operation
- Air carrier
- Aircraft
- N402AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 41,482 hours, 13,156 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Web
- Part number
- 143A812210
- Condition
- Corroded
- Location
- Fwd Cargo
- 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.