What was found
R1 DOOR LOWER CENTER RIB BY THE HANDLE HOUSING ATTACH BOLTS RADIUS APPEARS TO BE CRACKED. GROUNDED - YES. REMOVED & REPLACE R1 DOOR LOWER CENTER RIB BEAM IAW B737-800 SRM 51-40-02-0G-0.
- Difficulty date
- April 30, 2026
- Submitted
- May 5, 2026
- Operation
- Air carrier
- Aircraft
- N527AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35694
- Aircraft time
- 53,326 hours, 19,096 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Rib
- Part number
- 141A6536U20
- Condition
- Cracked
- Location
- Zoen 800
- 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.