What was found
FWD WET AREA INTERCOSTAL AT BL0 BETWEEN STA 277 AND 294 IS CRACKED AT NUTPLATE HOLE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT BL0 BETWEEN STA 277 AND 294 IAW 737 900ER SRM 51 40 02 0G 0.
- Difficulty date
- January 23, 2020
- Submitted
- January 30, 2020
- Operation
- Air carrier
- Aircraft
- N402AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 28,610 hours, 9,264 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 141A5410139
- Condition
- Cracked
- Location
- Bs 277-294
- 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.