What was found
*SUPPLEMENTAL SDR* R\H PYLON, HYD BAY, AFT SIDE OF PYLON BULKHEAD, UPPER SUPPORT ANGLE, I\B SIDE, HAS AN 1 1\2 INCH CRACK. VERIFIED HEAT TREATMENT PER NDTM, PART 4, 51-00-10. COMPLETED INSTALLATION PER DRAWING 313N3052
- Difficulty date
- October 12, 2023
- Submitted
- October 16, 2023
- Operation
- Air carrier
- Aircraft
- N411UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 23851
- Aircraft time
- 37,310 hours, 25,202 cycles
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Bulkhead
- Part number
- UNKNOWN
- Part serial
- NA
- Condition
- Cracked
- Location
- Rt Nacelle
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.