Service difficulty report · Rib · Boeing 737

Difficulty date
October 17, 2022
Submitted
November 1, 2022
Operation
Air carrier
Aircraft
N856NN
Make and model
Boeing 737
Aircraft serial
31107
Aircraft time
35,899 hours, 15,031 cycles
Part
Rib
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.

What was found

AIRCRAFT IN BASE MAINTENANCE: RIGHT HORIZONTAL STABILIZER RIB STIFFENER IS CRACKED AT STA 92.7 RIB AND THIRD VERTICAL STIFFENER FROM FONT SPAR. INSTALLED RIB REPAIR PER SRM 55-10-09-2R-4.