What was found
LH CENTER FLOOR WEB BETWEEN STA 344 AND 360 HAD A CRACKED CLIP NUT HOLE ON UPPER SURFACE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02 AND BOEING DWG 141A5400 REV-A.
- Difficulty date
- December 8, 2019
- Submitted
- December 14, 2019
- Operation
- Air carrier
- Aircraft
- N468AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 21,667 hours, 6,999 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Support
- Part number
- 141A541022
- Condition
- Cracked
- Location
- Bs 344-360
- 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.