What was found
AIRCRAFT IN BASE MAINTENANCE: CRCK FOUND ON INTERCOSTAL SCREW HOLES STA 277- TO STA 294.5 BL 0 . MAINTENANCE REPLACED INSTERCOSTAL WITH A MODIFIED ASSY .IAW AARD 51-00-05-1 AND BAC DWG 141A5410.
- Difficulty date
- October 9, 2026
- Submitted
- October 21, 2026
- Operation
- Air carrier
- Aircraft
- N959NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33329
- Aircraft time
- 35,773 hours, 14,920 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Floor Support
- Part number
- 141A5410140
- Condition
- Cracked
- Location
- Zone 200
- 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.