What was found
L/H HORIZONTAL STABILIZER FORWARD UPPER SLIDING SEAL HAS VERTICAL CRACKS PARALLEL TO BOTH THE FORWARD AND AFT EDGES. REMOVED AND REPLACED L/H HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL PER AMM 53-31-31.
- Difficulty date
- November 11, 2025
- Submitted
- November 13, 2025
- Operation
- Air carrier
- Aircraft
- N915WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36888
- Aircraft time
- 57,438 hours, 34,808 cycles
- System (JASC)
- 5514 · Horizontal Stabilizer Miscellaneous Structure
- Part
- Seal
- 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.