What was found
FLOOR SUPPORT UPPER FLANGE CRACKED, BETWEEN BS 380 - 400, RBL 7. ACFT GROUNDED. REMOVED THE FLOOR SUPPORT IAW SRM 51-40-02. LOCATED, AND DRILLED A NEW FLOOR SUPPORT IAW SRM 51-40-05, AND INSTALLED IAW SRM 51-40-02.
- Difficulty date
- October 11, 2017
- Submitted
- October 24, 2017
- Operation
- Air carrier
- Aircraft
- N558AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35177
- Aircraft time
- 43,096 hours, 12,679 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 143A5410170
- Condition
- Cracked
- Location
- Bs 380-400
- 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.