Service difficulty report · Balance Weight · Boeing 7377H4

Difficulty date
May 14, 2025
Submitted
June 5, 2025
Operation
Air carrier
Aircraft
N961WN
Make and model
Boeing 7377H4
Aircraft serial
36962
Aircraft time
44,262 hours, 27,173 cycles
Part
Balance Weight
Condition
Corroded
Location
Zone 600
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

DOT #114-041. RIGHT WING MOST INBOARD AILERON BALANCE BAY; INBOARD TWO WEIGHTS SHOW EVIDENCE OF CORROSION. <[01] REMOVED AND REPLACED RIGHT WING AILERON BALANCE BAY#5 BOTTOM AILERON; INBOARD TWO WEIGHTS IAW AMM 27-11-31-000-801 STEP 2. E. (1) (C) AND SRM 51-60-01-0G-0 STEP 5.A. (5); [02] CORRECTION REMOVED AND REPLACED RIGHT WING AILERON BALANCE BAY#5 BOTTOM AILERON; INBOARD TWO FIXED BALANCE WEIGHTS IAW AMM 27-11-31-000-801 STEP 2. E. (1) (C) AND SRM 51-60-01-0G-0 STEP 5.A. (5); [03] VERIFIED ITEMS 1;2.; [04] AUDIT C/W.

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