What was found
MAIN CABIN FLOOR STA 312-325 APPROX LBL 48 INTERCOSTAL CRACKED AT FASTENER (VIEWED FROM E&E COMPT). GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT STA 312-325 LBL 4B IAW SRM 51-40-02 AND BAC DWG 141A5400 REV.
- Difficulty date
- June 26, 2018
- Submitted
- June 29, 2018
- Operation
- Air carrier
- Aircraft
- N419AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41734
- Aircraft time
- 21,076 hours, 6,942 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A541012
- 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.