What was found
INSPECTION TYPE:C NWW, LT SIDEWALL PANEL BS 300-320 4TH STIFFENER (COUNT FROM TOP) FOUND 9 INTERMITTENT CRACKS AT RADIUS (CRACK LENGTH 3/8" AND 1/2" 9 LOCATIONS) STIFFENER REPLACED AS PER SRM 51-10-01 PG 9.
- Difficulty date
- January 4, 2006
- Submitted
- January 18, 2006
- Operation
- Air carrier
- Aircraft
- N520UP
- Make and model
- Boeing 747212B
- Aircraft serial
- 21943
- Aircraft time
- 80,484 hours, 17,793 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Part number
- 65B0794233
- Condition
- Cracked
- Location
- Nlg Ww
- 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.