What was found
AIRCRAFT IN BASE MAINTENANCE: NUMBER 5 DOUBLER AFT MID DOUBLER HOLE SHOWS CRACK INDICATION AT THE 9 O'CLOCK POSITION IN THE EXTERNAL DOUBLER. REINSTALLED GUSSET NUMBER 5. PER SRM 51-40-02.
- Difficulty date
- December 8, 2025
- Submitted
- December 19, 2025
- Operation
- Air carrier
- Aircraft
- N947NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31190
- Aircraft time
- 34,872 hours, 14,501 cycles
- System (JASC)
- 5532 · Vertical Stabilizer, Plate/Skin
- Part
- Doubler
- Condition
- Cracked
- Location
- Zone 300
- 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.