What was found
TAIL LH UPPER FRONT SPAR SLIDING SEAL IS CRACKED. TAIL LH HORIZONTAL UPPER FRONT SPAR SLIDING SEAL IS CRACKED.<[01] REMOVED AND REPLACED SLIDING SEAL IAW AMM 53-31-31.
- Difficulty date
- December 1, 2023
- Submitted
- December 4, 2023
- Operation
- Air carrier
- Aircraft
- N221WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 34259
- Aircraft time
- 60,874 hours, 36,056 cycles
- System (JASC)
- 5514 · Horizontal Stabilizer Miscellaneous Structure
- Part
- Seal
- Part number
- UNKNOWN
- Condition
- Cracked
- Location
- Zn 300 Stabilize
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.