What was found
DURING C4 CHECK, CORROSION FOUND ON INTERCOSTAL WEB AT BS 848, RBL 24. REPLACED INTERCOSTAL IAW SRM 53-00-04.
- Difficulty date
- August 17, 2013
- Submitted
- August 19, 2013
- Operation
- Air carrier
- Aircraft
- N406US
- Make and model
- Boeing 737401
- Aircraft serial
- 23876
- Aircraft time
- 67,898 hours, 45,578 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 6547960U9
- Condition
- Corroded
- Location
- Zone 100
- 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.