What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR INTERCOSTAL UPPER FLANGE LOCATED FROM BS 312 TO BS 328 AT RBL 31.60. REPLACED INTERCOSTAL PER AARD 51-00-01-1.
- Difficulty date
- June 27, 2023
- Submitted
- July 14, 2023
- Operation
- Air carrier
- Aircraft
- N870NN
- Make and model
- Boeing 737823
- Aircraft serial
- 40765
- Aircraft time
- 35,533 hours, 15,040 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A5410U140
- Condition
- Cracked
- Location
- Zone 200 - 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.