What was found
FWD CABIN FLOOR SUPPORT INTERCOSTAL BETWEEN STA 312 & 328 AT LBL 45 IS CRACKED AYT FASTNER HOLE. GROUNDED - YES. REMOVED & REPLACED INTERCOSTAL AT LBL 45 BETWEEN STA 312 & 328 IAW BOEING 737-800 SRM 51-40-02-0G-0.
- Difficulty date
- November 9, 2021
- Submitted
- November 22, 2021
- Operation
- Air carrier
- Aircraft
- N558AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35177
- Aircraft time
- 55,723 hours, 16,283 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A5410U12
- Condition
- Cracked
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.