Service difficulty report · Spar · Bombdr DHC8402

Difficulty date
March 2, 2009
Submitted
March 5, 2009
Operation
Air carrier
Aircraft
N423QX
Make and model
Bombdr DHC8402
Aircraft serial
4153
Aircraft time
4,940 hours, 5,081 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Corroded
Location
Wing
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

PDX - C1 - FWD SPAR ATTACH FLANGE FOR PANELS 261CT AND 261LT HAS FRETTING ON OTBD ENDS. BLENDED FRETTING AT FWD SPAR ATTACH FLANGE FOR PANELS 261CT AND 261LT. REF RD 8/4-53-451 GENERAL NOTES STEP 1. HFEC INSP BLENDS FOR CRACKS IAW Q400 NDTM PART 6, 51-00-01-250-801. NO CRACKS NOTED. UT THICKNESS INSP OF BLENDS IAW Q400 NDTM PART 1, 51-00-04. PANEL 261LT HIGH .100 INCH LOW .097 INCH, PANEL 261CT HIGH .097 INCH, LOW .075 INCH. COMPLETED GENERAL NOTES 3 THRU 7 OF RD 8/4-53-451. GENERAL NOTE 8 TO BE COMPLETED ON PANEL CARD. BLENDED AREAS FOUND TO BE WITHIN LIMITS IAW RD 8/4-53-451 DETAIL L.