- Difficulty date
- May 10, 2020
- Submitted
- May 11, 2020
- Operation
- Air carrier
- Make and model
- Boeing 737824
- Aircraft serial
- 28955
- Aircraft time
- 65,763 hours, 23,597 cycles
- Part
- Stiffener
- Part number
- 111A24011
- Condition
- Cracked
- Location
- Fuselage
- 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.
What was found
CENTER WING BOX BS540 RBL 32.40 FRUNT SPAR UPPER SURFACE HORIZONTAL STIFFNER AFT EDGE EVIDENCE OF BEING CRACKED REF AAR N/R 99880819 REMOVED AND REPLACED STIFFNER AT CENTER WING BOX BS540 RBL 32.40 FRUNT SPAR UPPER AREA PERR EF B737 SRM 51-40-02