Service difficulty report · Frame · Boeing 7572Q8

Difficulty date
October 16, 2015
Submitted
October 20, 2015
Operation
Air carrier
Aircraft
N393BC
Make and model
Boeing 7572Q8
Aircraft serial
33960
Aircraft time
29,601 hours, 17,657 cycles
Part
Frame
Condition
Dented
Location
Bs 660
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

FWD CARGO BS 660 STR 23-25L, FRAME DENTED SEVERAL PLACES. REPAIRED FWD CARGO FRAME AT STA 660, STR 23L-25L BY INSTALLING. REPAIR DOUBLER ON FRAME AT BS 660 BETWEEN STR 22L- 26L, REF SRM 53-00-07, REPAIR 5, FIG 201, PG 208, TRIMOUT 4 EA ON FRAME: 1.140" X 1.040" X 0.5"R, 1.140" X 1.040" X 0.5"R, 1.140" X 1.040" X 0.5" R, 4.140" X 1.040" X 0.5" R. REPAIR IS PERMANENT CAT "B" ON ZONE 2 WITH THRESHOLD INSPECTION TO START AT OR BEFORE 42657 F/C & REPEAT INSPECTION EVERY 11000 F/C. THEREAFTER USING, HFEC, HIGH FREQUENCY EDDY CURRENT & DETAILED INSPECTION IN REF SRM 53-00-07, REPAIR 5, FIG 201, TABLE II, PAGE 210. ACFT IS CURRENTLY AT 17657 F/C.

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