What was found
FOUND INTERCOSTAL MOUNTING SCREW HOLE FLANGE AREA CRACKED AT STA 2280 TO 2320 AT LBL 76. CRACKED INTERCOSTAL REPLACED IAW B747 SRM 51-10-01 PG 6-9 AND SRM 51-30-02 PG 5-9. NEW INTERCOSTAL MADE FROM BAC 1509-100506, 7075-76.
- Difficulty date
- February 15, 2007
- Submitted
- February 28, 2007
- Operation
- Air carrier
- Aircraft
- N471EV
- Make and model
- Boeing 747273C
- Aircraft serial
- 20651
- Aircraft time
- 96,101 hours, 22,811 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- PAC1504100506
- Condition
- Cracked
- Location
- Bs 2280-2320
- 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.