What was found
INSIDE LT HORIZONTAL STAB, RIB AT STAB STA 92.70, HAS 3 CRACKS VISIBLE ON BOTH SIDES OF RIB. GROUNDED - YES. ACCOMPLISHED 3EA. RIB REPAIRS @ STA 97.70 L/H HORZ. STAB IAW B737-800 SRM 55-10-09-2R-4. THIS IS A CATEGORY A REPAIR.
- Difficulty date
- March 26, 2026
- Submitted
- April 17, 2026
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 64,942 hours, 19,968 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 182A5301
- 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.