What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN INTERCOSTAL BETWEEN STA 312 AND STA 328 AT LBL 45.60, MEASURING L=0.25 IN, W=0.5 IN, D=0.04 IN. REPLACED INTERCOSTAL WITH NEW IAW AARD 51-00-05-1.
- Difficulty date
- June 29, 2021
- Submitted
- July 13, 2021
- Operation
- Air carrier
- Aircraft
- N842NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31099
- Aircraft time
- 33,780 hours, 13,752 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 141A5410140
- Condition
- Cracked
- Location
- Zone 100
- 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.