What was found
FLANGE OF INTERCOSTAL AT CENERLINE, BETWEEN 4TH AND 5TH WEB OF FORWARD DOOR CRACKED. FABRICATED INTERCOSTAL FROM 7075-0 IAW DRAWGING 69-41861, DEFECT SIZE: .75 INCH.
- Difficulty date
- June 26, 2006
- Submitted
- June 27, 2006
- Operation
- Air carrier
- Aircraft
- N409US
- Make and model
- Boeing 737401
- Aircraft serial
- 23879
- Aircraft time
- 49,770 hours, 49,770 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 6546921328
- Condition
- Cracked
- Location
- Fuselage
- 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.