What was found
KEEL BEAM BOTTOM WEB AND DOUBLER HAS CORROSION IN 16 AREAS BETWEEN BS 990 AND 1070. CLEANED CORROSION, CHECKED REMAINING THICKNESS, AND RESTORED FINISH. ALL WORK ACCOMPLISHED IAW EA 747-5310-33-A5730.
- Difficulty date
- January 18, 2015
- Submitted
- April 8, 2015
- Operation
- Air carrier
- Aircraft
- N558CL
- Make and model
- Boeing 7474EVF
- Aircraft serial
- 35171
- Aircraft time
- 24,340 hours, 3,991 cycles
- Engine
- Ge CF680C2B5F
- System (JASC)
- 5314 · Fuselage Main, Keel
- Part
- Keelbeam
- Condition
- Corroded
- Location
- Bs 990-1070
- 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.