What was found
RH HORIZONTAL FRONT SPAR UPPER SLIDING SEAL IS CRACKED.<[01] REMOVED AND REPLACED RH HORIZONTAL FRONT SPAR UPPER SLIDING SEAL IN ACCORDANCE WITH AMM 53-31-31. OPS CHECK GOOD.
- Difficulty date
- June 16, 2023
- Submitted
- June 19, 2023
- Operation
- Air carrier
- Aircraft
- N404WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27892
- Aircraft time
- 73,690 hours, 43,735 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.