What was found
RIGHT HORIZONTAL RIB NR 4 CRACKED. GROUNDED - YES. REMOVED AND REPLACED RIB 4 IAW SRM 51-40-02-0G-0.
- Difficulty date
- June 24, 2025
- Submitted
- July 23, 2025
- Operation
- Air carrier
- Aircraft
- N644AS
- Make and model
- Boeing 737790
- Aircraft serial
- 30795
- Aircraft time
- 65,130 hours, 35,671 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 182A5301U4
- Condition
- Cracked
- Location
- Zone 300
- 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.