What was found
NWW RT SIDE PANEL BS300-320 WL170 STIFFENER RADIUS AREA FOUND INTERMITTENT CRACKS, CRACK LENGTH 1/4-3/8. STIFFENER REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.
- Difficulty date
- May 9, 2006
- Submitted
- May 24, 2006
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747211B
- Aircraft serial
- 21944
- Aircraft time
- 77,205 hours, 18,330 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Stiffener
- Part number
- 65B0794234
- Condition
- Cracked
- Location
- Nlg Ww
- 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.