What was found
INSPECTION TYPE: C, M/D- BS 440, BELOW STR 31L, FRAME WEB FOUND CRACK. BS 440 STR 13L FRAME WEB SECTIONAL REPLACED PER HX RS R53-12-35212 FOR DETAIL AND UPS EO B747-5310-21298-A.
- Difficulty date
- October 29, 2004
- Submitted
- November 15, 2004
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 73,613 hours, 17,591 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Condition
- Cracked
- Location
- Fuselage
- 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.