Service difficulty report · Rib · Boeing 737823

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
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.

What was found

AIRCRAFT IN BASE MAINTENANCE: LH HORIZONTAL STABILIZER RIB CRACKED AT STAB STA 101.92, 2ND STIFFENER FROM FWD SPAR. REPAIRED IAW 55-10-09-2R-4.