What was found
M/D-BS 1480 RBL 33-55 FLOOR INTERCOSTAL FOUND CORROSION CRACKED AT SCREW HOLE AREA.(<P>CABIN-BS 1480 RBL 33.99 - RBL 57.6 FLOOR INTERCOSTAL CORROSION REPAIRED IAW RI-53-60-14014 REV. A.</P>)
- Difficulty date
- April 24, 2020
- Submitted
- April 28, 2020
- Operation
- Air carrier
- Aircraft
- N477MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29255
- Aircraft time
- 86,263 hours, 15,306 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Condition
- Corroded
- 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.