Service difficulty report · Floorbeam · Doug DC983

Difficulty date
December 21, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N939AS
Make and model
Doug DC983
Aircraft serial
49657
Part
Floorbeam
Condition
Corroded
Location
Bs 1149 - 1169
Stage of operation
IN
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

DURING CHECK-C MAINT, FOUND CORROSION ON FLOOR MEMBRANE BETWEEN STA 1149L AND 1169L, AT LONGERON 18L. ACCOMP NDT PER 51-00-01 PART 4.. REMOVED LIGHT AND MODERATE CORROSION ON LT FLOOR MEMBRANE BETWEEN STA 1149 AND 1169 AT LONGERON 18, PER SPM 6-80-01 PAGE 1 TO 3. REPAIRED AREA AT 1155-115 PER SRM 53-01, FIG 4 SHEET 3 PAGE 18 DOUBLER REPAIR. TREATED AREA FROM STA 1145L TO 1169L AT LONGERON 18 PER SRM 51-10-3(C)(1)AND (3), PAGE 45 AND 46.

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