Service difficulty report · Balance Weight · Boeing 7377H4

Difficulty date
March 6, 2020
Submitted
August 27, 2021
Operation
Air carrier
Aircraft
N458WN
Make and model
Boeing 7377H4
Aircraft serial
33857
Aircraft time
55,631 hours, 33,048 cycles
System (JASC)
5751 · Ailerons
Part
Balance Weight
Condition
Corroded
Location
Rt Aileron
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

RIGHT AILERON 2 EACH WEIGHTS PITTED AND CORRODED 2ND FROM I/B WEIGHTS. (ONE UPPER WEIGHT AND CORRESPONDING LOWER WEIGHT) / REMOVED AND REPLACED RH AILERON 2EA WEIGHTS 2ND ROM IB IAW B737-700 SRM 51-40-02-0G-0 STEP 7 & IPC 27-11-31-02 WN8737/WN8669

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