Service difficulty report · Rib · Boeing 737*

Difficulty date
February 10, 2022
Submitted
March 22, 2022
Operation
Air carrier
Aircraft
N216WR
Make and model
Boeing 737*
Aircraft serial
32488
Aircraft time
52,760 hours, 31,347 cycles
Part
Rib
Condition
Cracked
Location
R/H Horiz. Stab.
Stage of operation
UK
How discovered
9
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

RT HORIZONTAL STABILIZER RIB 4 (STAB STA120.30) HAS CRACK AT STIFFENER #4 LOWER RADIUS / [01] VERIFIED APPLICABILITY OF REPAIR MANUAL SRM 55-10-09-2R-5.<BR>REMOVED DAMAGED AT RT HORIZONTAL STABILIZER RIB 4 (STAB STA120.30) STIFFENER #4 LOWER RADIUS. IAW B737 SRM 55-10-09-2R-5.<BR><BR><BR>REMOVED DAMAGED AT RT HORIZONTAL STABILIZER RIB 4 (STAB STA120.30) STIFFENER #4 LOWER RADIUS. IAW B737 SRM C;[16] INSTALLED REPAIR PARTS AT HORIZONTAL STABILIZER RIB 4 STIFFENER#4 IAW B737 SRM 55-10-09-2R-5 AND SRM 51-40-02. APPLIED A FILLET SEAL TO THE REPAIR PARTS WITH BMS 5-95 SEALANT IAW B737 SRM 51-20-05.;[17] VERIFIED CORRECTIVE ACTION STEP 16.;[18] COMPLETE.