What was found
L/H HORIZONTAL STAB UPPER SLIDING SEAL CRACKED. REMOVED HORIZONTAL L/H UPPER SLIDER SEAL REFERENCE AMM 53-31-31. INSTALLED NEW HORIZONTAL STAB. L/H UPPER SLIDER REFERENCE AMM 53-31-31
- Difficulty date
- September 24, 2025
- Submitted
- September 26, 2025
- Operation
- Air carrier
- Aircraft
- N8780Q
- Make and model
- Boeing 7378
- Aircraft serial
- 67753
- Aircraft time
- 8,959 hours, 4,559 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.