Service difficulty report · Rib · Boeing 737*

Difficulty date
October 25, 2021
Submitted
October 28, 2021
Operation
Air carrier
Aircraft
N857NN
Make and model
Boeing 737*
Aircraft serial
30907
Aircraft time
33,443 hours, 13,762 cycles
Part
Rib
Part number
182A5301U4
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 WAS GROUNDED: RIGHT HORIZONTAL STABILIZER INTERNAL RIB CRACKED AT STA 92.7. INSTALLED REPAIR ANGLE AND DOUBLER TO RIB PER SRM 55-10-09-2R-4.