What was found
LEFT HORIZONTAL STABILIZER INSPAR RIB, AT HSS 120.30, 4TH VERTICAL STIFFENER IS CRACKED. PERFORMED A REPAIR ON THE LT HORIZONTAL STAB, INSPAR RIB, VERTICAL STIFFENER IAW SRM 55-10-09-2R-5, REPAIR 5.
- Difficulty date
- October 9, 2025
- Submitted
- November 7, 2025
- Operation
- Air carrier
- Aircraft
- N236WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 34631
- Aircraft time
- 64,050 hours, 38,395 cycles
- System (JASC)
- 5514 · Horizontal Stabilizer Miscellaneous Structure
- Part
- Stiffener
- 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.