What was found
CRACK ON RIB LEADING EDGE SS57.16 AT LH WING. RIB LEADING EDGE SS57.16 AT LH WING WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM 51-42-10-001-001-A01
- Difficulty date
- October 5, 2025
- Submitted
- November 10, 2025
- Operation
- Air carrier
- Aircraft
- N631NN
- Make and model
- Bombdr CL6002D15
- Aircraft serial
- 15375
- Aircraft time
- 20,436 hours, 15,902 cycles
- System (JASC)
- 5712 · Wing, Rib/Bulkhead
- Part
- Rib
- Part number
- CC670121377
- Condition
- Cracked
- Location
- Zone 500
- 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.