What was found
LT STAB FWD UPPER METAL SLIDING SEAL CRACKED. REMOVED LT STAB FWD UPPER METAL SLIDING SEAL IAW AMM 53-31-31. INSTALLED THE SEAL PLATE LINK ASSLY AND CORNER PLATES TO THE NEW SEAL IAW AMM. 53-31-31-400-802.
- Difficulty date
- September 30, 2026
- Submitted
- November 3, 2026
- Operation
- Air carrier
- Aircraft
- N8555Z
- Make and model
- Boeing 7378H4
- Aircraft serial
- 63600
- Aircraft time
- 29,278 hours, 14,926 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.