What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN INTERCOSTAL UPPER FLANGE LOCATED FROM BS 312 TO BS 328 AT LBL 46. REPLACED INTERCOSTAL PER AARD 51-00-05-1, DWG 141A5400, AND SRM 51-40-02.
- Difficulty date
- September 20, 2023
- Submitted
- September 28, 2023
- Operation
- Air carrier
- Aircraft
- N877NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31131
- Aircraft time
- 35,619 hours, 15,142 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Part number
- 141A5410U140
- 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.