What was found
AIRCRAFT WAS GROUNDED: CRACKS IN THE LOWER SKIN OF RH HORIZONTAL STABILIZER AT STA 138.7 BETWEEN 21 IN AND 37 IN AFT OF THE FRONT SPAR, MEASURING L=1.0 IN EACH. ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR IAW SRM 55-10-01-2R-11.
- Difficulty date
- October 23, 2021
- Submitted
- December 9, 2021
- Operation
- Air carrier
- Aircraft
- N857NN
- Make and model
- Boeing 737*
- Aircraft serial
- 30907
- Aircraft time
- 33,443 hours, 13,762 cycles
- System (JASC)
- 5512 · Horizontal Stabilizer, Plate/Skin
- Part
- Skin
- Condition
- Cracked
- Location
- Zone 300 - Stabs
- 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.