What was found
AIRCRAFT IN BASE MAINTENANCE: RH HORIZONTAL STABILIZER - CRACKED RIB AT STAB STA 92.70 LOCATED ON THE 2ND STIFFENER AFT OF THE FRONT SPAR (20" FROM THE FWD SPAR). REPAIRED IAW 55-10-09-2R-4.
- Difficulty date
- September 16, 2026
- Submitted
- October 20, 2026
- Operation
- Air carrier
- Aircraft
- N811NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31079
- Aircraft time
- 49,979 hours, 21,264 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Rib
- 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.