What was found
MAIN CABIN FLOOR SUPPORT, INTERCOSTAL CRACKED BS 294.5 - BS 285, BL 0. GROUNDED - YES. REPLACED INTERCOSTAL BS 294.5 - BS 285, BL 0 P/N 141A5410U3 PO 911662.1 PER BAC DWG 141A5400 REV AG.
- Difficulty date
- March 9, 2018
- Submitted
- March 21, 2018
- Operation
- Air carrier
- Aircraft
- N309AS
- Make and model
- Boeing 737990
- Aircraft serial
- 30857
- Aircraft time
- 59,215 hours, 23,367 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A5410U3
- Condition
- Cracked
- Location
- Fuselage
- 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.