What was found
PYLON #1 INNER SURFACE, JUST FWD OF 433CL HAS AREA OF CORROSION. DOT IS ON OUTSIDE OF PYLON. DOT 142-15.SURFACE HFEC PERFORMED ON BLENDED AREA OF #1 PYLON INNER SURFACE JUST FWD OF 433CL PANEL. NO DEFECTS FOUND IAW NTM 51-00-19.
- Difficulty date
- February 5, 2025
- Submitted
- February 12, 2025
- Operation
- Air carrier
- Aircraft
- N439UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25470
- Aircraft time
- 31,502 hours, 20,911 cycles
- System (JASC)
- 5414 · Nacelle/Pylon, Plate/Skin
- Part
- Skin
- Part number
- 311N5046
- Condition
- Corroded
- Location
- Zone 400
- 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.