Service difficulty report · Balance Weight · Boeing 73776N

Difficulty date
August 21, 2021
Submitted
October 5, 2021
Operation
Air carrier
Aircraft
N7885A
Make and model
Boeing 73776N
Aircraft serial
33379
Aircraft time
58,530 hours, 28,804 cycles
System (JASC)
5751 · Ailerons
Part
Balance Weight
Part number
113A71835
Condition
Corroded
Location
Tail
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

RIGHT AILERON MOST INBOARD BALANCE WEIGHTS 4 EA. HAVE CORROSION(51-001) ; / [01] REMOVED AILERON BALANCE WEIGHTS AS PER BOEING SRM REF 51-60-01; [02] VERIFIED AILERON BALANCE WEIGHTS REMOVED; P/N: 113A7183-5.; [03] OK TO INSTALL NEW AILERON BALANCE WEIGHTS; P/N: 113A7183-5.; [04] INSTALLED NEW AILERON BALANCE WEIGHTS AS PER REFERENCE 51-60-01-0G-0; [05] REMOVED AILERON BALANCE WEIGHTS AS PER BOEING SRM REF 51-60-01.INSTALLED NEW AILERON BALANCE WEIGHTS AS PER REFERENCE AMM 51-60-01-0G-0.; [06] AILERON BALANCES THAT WERE INSTALLED ARE PN-113A7183-5 AS PER 51-60-01-0G-0; [07] VERIFIED REPLACEMENT OF AILERON BALANCE WEIGHT.

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