- Difficulty date
- May 11, 2012
- Submitted
- June 4, 2012
- Operation
- Air carrier
- Aircraft
- N303AS
- Make and model
- Boeing 737990
- Aircraft serial
- 30016
- Aircraft time
- 40,238 hours, 15,491 cycles
- Part
- Intercostal
- Part number
- 141A5410U16
- Condition
- Cracked
- Location
- Bs 328-340
- 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.
What was found
MAIN CABIN FLOOR INTERCOSTAL CRACKED BS 328, BS 348, LBL 40. ACFT GROUNDED. REMOVED INTERCOSTAL IAW NG SRM 51-40-02. PAINTED IAW NG AMM 51-21-99, LOCATED DRILLED AND DEBURRED INTERCOSTAL IAW DWG 141A5410. INSTALLED INTERCOASTAL IAW NG SRM 51-40-02 AD, DWG 141A5400.