What was found
AIRCRAFT IN BASE MAINTENANCE; CRACK IN CENTER WING SECTION REAR SPAR HORIZONTAL STIFFENER AT BS 663, FROM LBL 7 TO LBL 8. REPLACED STIFFENER PER SRM 51-40-02 AND AARD 51-00-05-01.
- Difficulty date
- April 5, 2024
- Submitted
- April 10, 2024
- Operation
- Air carrier
- Aircraft
- N939AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30083
- Aircraft time
- 65,956 hours, 27,924 cycles
- System (JASC)
- 5312 · Fuselage Main, Bulkhead
- Part
- Stiffener
- Part number
- 111A1301U12
- Condition
- Cracked
- Location
- Bs 663 Lbl7-8
- 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.