What was found
INSPECTION TYPE:C LT WING NR 4 L/E PDU AFT SUPPORT CHANNEL FOUND CRACKED AT MOUNT BOLT AREA. (CRACK LENGTH .375 INCH). LT WING NR 4 L/E PDU AFT SUPPORT CHANNEL REPAIRED AS PER SRM 51-40-03 FIG 2.
- Difficulty date
- May 29, 2007
- Submitted
- June 25, 2007
- Operation
- Air carrier
- Aircraft
- N520UP
- Make and model
- Boeing 747212B
- Aircraft serial
- 21943
- Aircraft time
- 83,127 hours, 18,423 cycles
- System (JASC)
- 5720 · Wing Miscellaneous Structure
- Part
- Channel
- Condition
- Cracked
- Location
- Lt Wing
- 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.