What was found
INSPECTION TYPE: AD, NR 1 PYLON UPPER LINK ATTACHMENT LUG AREA TOP 2ND LAYER SKIN CRACKED AS RED MARKED (BS 221, WBL L834 TO L834). TEMPORARY REPAIR CARRIED OUT PER EO B747-5430-21111-A. STOP HOLE DRILLED AND NDT CONFIRM CRACK FREE.
- Difficulty date
- September 27, 2004
- Submitted
- October 4, 2004
- Operation
- Air carrier
- Aircraft
- N523UP
- Make and model
- Boeing 747200
- Aircraft serial
- 22381
- Aircraft time
- 73,260 hours, 15,099 cycles
- System (JASC)
- 5414 · Nacelle/Pylon, Plate/Skin
- Part
- Skin
- Condition
- Cracked
- Location
- Nr 1 Pylon
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.