What was found
AIRCRAFT IN BASE MAINTENANCE. CRACK IN LOWER SKIN OF LT HORIZONTAL STABILIZER AT STA 138.7, MEASURING L=6.0 IN. ACCOMPLISHED PERMANENT REINFORCING EXTERNAL DOUBLER REPAIR, IAW SRM 55-10-01-2R-11 AND EA309947.
- Difficulty date
- November 22, 2020
- Submitted
- November 23, 2020
- Operation
- Air carrier
- Aircraft
- N820NN
- Make and model
- Boeing 737823
- Aircraft serial
- 29559
- Aircraft time
- 33,325 hours, 13,490 cycles
- System (JASC)
- 5512 · Horizontal Stabilizer, Plate/Skin
- Part
- Skin
- Condition
- Cracked
- Location
- Horizontal Stab
- 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.