What was found
DURING REMOVAL OF THE PNEUMATIC DUCT IAW NRC 379144, FOUND AN INTERCOSTAL GOUGED & CRACKED, BS 1781 - 1801. FABRICATED A REPLACEMENT INTERCOSTAL IAW DWG AGA7177. AND INSTALLED.
- Difficulty date
- May 22, 2018
- Submitted
- June 1, 2018
- Operation
- Air carrier
- Aircraft
- N257UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48451
- Aircraft time
- 73,942 hours, 14,897 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- AGA71779
- Condition
- Cracked
- Location
- Bs 1781-1801
- 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.