What was found
CRACK ON 4 ENGINE PYLON. CRACK IS 2.5 INCHES LONG. REPLACED WITH NEW PANEL PER AMM 54-50-99P801.
- Difficulty date
- February 17, 2013
- Submitted
- February 20, 2013
- Operation
- Air carrier
- Aircraft
- N116UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26908
- Aircraft time
- 57,818 hours, 6,695 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5414 · Nacelle/Pylon, Plate/Skin
- Part
- Panel
- Part number
- 321U45426
- 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.