What was found
ON THE LEFT STABILIZER FRONT SPAR LUGS; THE COTTER PINS FOR THE UPPER AND LOWER NUTS HAVE EVIDENCE OF CORROSION. PICTURE ATTACHED.<[01] REPLACED COTTER PINS ON LH HORIZONTAL STBILIZER FRONT SPAR; NO EVIDENCE OF CORROSION.
- Difficulty date
- April 5, 2026
- Submitted
- May 11, 2026
- Operation
- Air carrier
- Aircraft
- N8534Z
- Make and model
- Boeing 7378H4
- Aircraft serial
- 63578
- Aircraft time
- 29,412 hours, 14,746 cycles
- System (JASC)
- 5514 · Horizontal Stabilizer Miscellaneous Structure
- Part
- Cotter Pin
- Condition
- Corroded
- 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.