What was found
AIRCRAFT IN BASE MAINTENANCE. FOUND CRACKED INTERCOSTAL BETWEEN STA 344-360 AND AT LBL 1 MEASURING L=2 INCHES. REPLACED INTERCOSTAL, IAW BOEING DRAWING 141A5400 AND 737NG AARD 51-00-05.
- Difficulty date
- January 8, 2021
- Submitted
- January 13, 2021
- Operation
- Air carrier
- Aircraft
- N964NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31210
- Aircraft time
- 18,178 hours, 7,060 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A5410147
- Condition
- Cracked
- Location
- Zone 100
- 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.