What was found
L/H HORIZ STAB #5 RIB IS CRACKED ON 2ND AND 4TH STIFFNERS. GROUNDED - YES. REMOVED, REPAIRED AND REINSTALLED RIB IAW B737-900 SRM 55-10-09-2R-4, SRM 51-40-02-0G-0.
- Difficulty date
- December 5, 2022
- Submitted
- December 23, 2022
- Operation
- Air carrier
- Aircraft
- N317AS
- Make and model
- Boeing 737990
- Aircraft serial
- 30856
- Aircraft time
- 64,037 hours, 25,906 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 182A53023
- Condition
- Cracked
- Location
- Horizontal Stab
- 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.