What was found
AIRCRAFT IN BASE MAINTENANCE. FOUND 2 CRACKS ON LOWER SKIN OF LEFT HORIZONTAL STABILIZER AT STAB STA 129.50 APPROXIMATELY 28 INCHES AFT OF FRONT SPAR. INSTALLED EXTERNAL DOUBLER REPAIR, PER SRM 55-10-01-2R-11.
- Difficulty date
- December 8, 2020
- Submitted
- January 5, 2021
- Operation
- Air carrier
- Aircraft
- N819NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31083
- Aircraft time
- 33,525 hours, 13,587 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.