What was found
LEFT HORIZONTAL STAB FWD UPPER SLIDING SEAL IS CRACKED AT THE CONTACT POINT OF THE SLIDE TRACK. . REMOVED AND REPLACED L/H HORIZONTAL STAB FWD UPPER SLIDING SEAL IAW AMM 53-31-53.
- Difficulty date
- June 3, 2026
- Submitted
- June 4, 2026
- Operation
- Air carrier
- Aircraft
- N45440
- Make and model
- Boeing 737924ER
- Aircraft serial
- 33535
- Aircraft time
- 52,790 hours, 18,878 cycles
- System (JASC)
- 5514 · Horizontal Stabilizer Miscellaneous Structure
- Part
- Seal
- Part number
- 181A80251
- 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.