What was found
1EA CRACK WAS FOUND ON RH BS 1480 LONGERON EXTENSION FITTING RADIUS AREA APPROX 1/4" IN LENGTH(<P>CRACK LONGERON EXTENSION FITTING REPLACEMENT AS PER ATLAS AIR EO 4453A818 REV 20 PART 8. NO FURTHER DEFECTS NOTED.</P>)
- Difficulty date
- May 23, 2026
- Submitted
- May 27, 2026
- Operation
- Air carrier
- Aircraft
- N477MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29255
- Aircraft time
- 108,821 hours, 19,065 cycles
- System (JASC)
- 5313 · Fuselage Main, Longeron/Stringer
- Part
- Longeron
- Condition
- Cracked
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- E
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.