What was found
BS 910 RBL 11-33 LATERAL HAT SECTION FWD FLANGE FOUND CRACKED. CORROSION BLEND OUT 0.020 BY 1.0 BY 1.5 IN. EXCEED SRM 53-10-01 FIG 1 LIMITS, LATERAL HAT SECTION REPLACED AS PER SRM 51-10-01 PG 9.
- Difficulty date
- June 21, 2005
- Submitted
- July 6, 2005
- Operation
- Air carrier
- Aircraft
- N672UP
- Make and model
- Boeing 747123
- Aircraft serial
- 20324
- Aircraft time
- 73,825 hours, 21,397 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Flange
- Part number
- BAC1505100312
- Condition
- Cracked
- Location
- Fuselage
- 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.