Service difficulty report · Keelbeam · Boeing 7572Q8

Difficulty date
October 13, 2015
Submitted
October 14, 2015
Operation
Air carrier
Aircraft
N346BC
Make and model
Boeing 7572Q8
Aircraft serial
33959
Aircraft time
29,785 hours, 16,474 cycles
Part
Keelbeam
Condition
Corroded
Location
Bs 1100-1120
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 LOWER KEEL STRUCTURE TEE FITTING ABOVE LT MLG DOOR AT BS 1100 - 1120, LBL7. FOUND OUT OF LIMITS IAW SRM 53-00-71, FIG 101, DETAIL VII. REMOVED, FABRICATED & REPLACED KEEL IAW DWG 144N8180 & SRM 51-40-02, PG 10.

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