What was found
LEFT HORIZONTAL STAB RIB NR 4, 4TH STIFFENER FWD CRACKED. STIFFENER REPAIRED IAW SRM 55-10-09-2R-4.
- Difficulty date
- August 20, 2026
- Submitted
- September 8, 2026
- Operation
- Air carrier
- Aircraft
- N489WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33855
- Aircraft time
- 69,101 hours, 41,575 cycles
- System (JASC)
- 5514 · Horizontal Stabilizer Miscellaneous Structure
- Part
- Stiffener
- 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.