What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN RIB OF LH HORIZONTAL STABILIZER AT STA 92.70, 3RD STIFFENER FROM FRONT SPAR, MEASURING L=0.25 IN, W=0.002 IN. ACCOMPLISHED PERMANENT REINFORCING REPAIR WITH NESTED ANGLES IAW SRM 55-10-09.
- Difficulty date
- September 8, 2021
- Submitted
- September 13, 2021
- Operation
- Air carrier
- Aircraft
- N812NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33520
- Aircraft time
- 35,855 hours, 14,586 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- 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.