What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN FLOOR INTERCOSTAL SUPPORT AT FWD ENTRY NEAR FASTENER HOLE BETWEEN STA 312 AND STA 328 AT LBL 46, MEASURING L=0.5 IN. REPLACED INTERCOSTAL WITH NEW IAW AARD 51-10-02 AND DRAWING 141A5400.
- Difficulty date
- September 20, 2021
- Submitted
- September 29, 2021
- Operation
- Air carrier
- Aircraft
- N814NN
- Make and model
- Boeing 737823
- Aircraft serial
- 29562
- Aircraft time
- 36,531 hours, 14,772 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Intercostal
- Part number
- 141A541012
- Condition
- Cracked
- Location
- Zone 100 - Fuse
- 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.