What was found
LARGE CRACK ON NR 4 ENGINE PYLON AT ATTACHMENT JOINTS. ACCOMPLISHED INSP OF NR 4 PYLON SAILTAIL FAIRING PER MM. ALL NORMAL, NO DEFECTS NOTED.
- Difficulty date
- June 29, 2011
- Submitted
- August 2, 2011
- Operation
- Air carrier
- Aircraft
- N105UA
- Make and model
- Boeing 747451
- Aircraft serial
- 26473
- Aircraft time
- 69,684 hours, 8,309 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5410 · Nacelle/Pylon, Main Frame
- Part
- Fairing
- Condition
- Cracked
- Location
- Nr 4 Pylon
- 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.