Service difficulty report · None · Boeing 737

Difficulty date
March 1, 2022
Submitted
March 28, 2022
Operation
Air carrier
Aircraft
N238WN
Make and model
Boeing 737
Aircraft serial
34713
Aircraft time
53,117 hours, 31,534 cycles
Part
None
Condition
Corroded
Location
Rudder
Stage of operation
IN
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

CORROSION ON RUDDER COUNTER BALANCE FWD WEIGHT AROUND MOUNT BOLT HOLES. (MARKED) / [01] UPDATED MEASUREMENT AND PART FIELDS;[02] REMOVED RUDDER COUNTER BALANCE WEIGHT P/N 173A5103-1MIT AND INSTALLED NEW RUDDER COUNTER BALANCE WEIGHT P/N 173A5103-1MIT IAW CMM 55-40-09 PG 301 STEPS 2C(2)(A-C); PG 701-705 STEPS 2C(3)(A);(B)1);12). SRM 51-60-07-0G-0 STEP 5A(6)(C)2)D). VERIFIED TORQUE; BOND CHECK GOOD.<BR>TORQUE WRENCH ID: 4441C; S/N: 1002600241; DUE: 05/2022; SCREW GUN ID: 4441D; S/N: ASE01076; DUE: 08/2022; BONDING METER ID:ATS1256; S/N: DC003960; DUE:09/2022;[03] VERIFIED CORRECTIVE ACTION 2.