What was found
L/H HORIZONTAL STABILIZER; FRONT SPAR; UPPER SLIDING SEAL IS CRACKED<[01] REMOVED AND REPLACED L/H HORIZONTAL STABILIZER; FRONT SPAR; UPPER SLIDING SEAL REF. AMM 53-31-31.
- Difficulty date
- August 12, 2025
- Submitted
- August 15, 2025
- Operation
- Air carrier
- Aircraft
- N453WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29847
- Aircraft time
- 69,078 hours, 41,073 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.