What was found
DURING "M" CHECK, FOUND CRACKS IN UPPER CROWN INTERCOSTAL AT BS 340 BL 0. REPAIRED PER EA 63-208913.
- Difficulty date
- April 12, 2007
- Submitted
- April 23, 2007
- Operation
- Air carrier
- Aircraft
- N666US
- Make and model
- Boeing 747451
- Aircraft serial
- 23821
- Aircraft time
- 74,899 hours, 9,354 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Condition
- Cracked
- Location
- Bs 340
- 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.