Service difficulty report · Box Beam · Boeing 7572Q8

Difficulty date
July 20, 2015
Submitted
July 29, 2015
Operation
Air carrier
Aircraft
N346BC
Make and model
Boeing 7572Q8
Aircraft serial
33959
Aircraft time
29,785 hours, 16,474 cycles
Part
Box Beam
Part number
146N5246U5
Condition
Corroded
Location
Bs 1661-1681
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 BOXBEAM BETWEEN BS 1661 AND BS 1681, LBL 54. REMOVED AND INSTALLED NEW BOX BEAM IAW SRM 51-40-02, PARA 7D, PG 6&7, 51-40-02, 4B PG2, AND DWG 146N5230.

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