What was found
RIGHT HORIZONTAL STAB INBD SIDE OF RIB AT HSS 101.90 IS CRACKED AT THE LOWER TRANSITION RADIUS OF THE NR 1 VERTICAL STIFFENER. REPAIRED THE NR 1 VERTICAL STIFFENER INBD SIDE OF RIB IAW SRM 55-10-09-2R-4, TABLE 201, REPAIR 4.
- Difficulty date
- December 19, 2025
- Submitted
- January 22, 2026
- Operation
- Air carrier
- Aircraft
- N54241
- Make and model
- Boeing 737824
- Aircraft serial
- 28953
- Aircraft time
- 79,178 hours, 29,560 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 186A1304
- 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.