Service difficulty report · Attach Fitting · Bombdr DHC8402

Difficulty date
February 12, 2013
Submitted
February 18, 2013
Operation
Air carrier
Aircraft
N411QX
Make and model
Bombdr DHC8402
Aircraft serial
4055
Aircraft time
27,377 hours, 28,511 cycles
Part
Attach Fitting
Condition
Worn
Location
Flap Carrage
Stage of operation
IN
How discovered
V
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

RT NR 4 FLAP CARRIAGE INBD FWD UPPER LUG WORN FROM CONTACTING TOP OF FLAP TRACK BEAM. REMOVED MATERIAL AT CHAFING AREA ON T/H NR 4 FLAP CARRIAGE, INBD FWD LUG IAW RD8/4-57-228, ISSUE 1, PAGE 3. MEASURED INBD FWD UPPER LUG ON RT NR 4 FLAP CARRIAGE IAW RD8/4-57-228 SECT 1, PAGE 3, ISSUE 1 LUG MEASURES .003 WITHIN LIMITS. VERIFIED AREA TO BE CRACK FREE REF NTM 51-00-06-910-801, PART 1, REV 7. ALODINE, AND PRIMED AFFECTED AREA. APPLIED TOP COAT IAW RD8/4-57-228 ISSUE 1. REMOVED APPROX .012" BY BLENDING IAW RD8/4-57-228 ISSUE 1 DATED OCT 27, 03. REMAINING THICKNESS AFTER REWORK OF .286" FOUND TO BE WITHIN LIMITS IAW SAME AND MINIMUM CLEARANCE .035" IS ACHIEVED THROUGHOUT FLAP TRAVEL. CONFIRMED AFFECTED AREA OF LUG CRACK FREE REF NTM 51-00-06-910-801 PT 1 REV 7. TREATED AND RESTORED SURFACE PROTECTION IAW RD8/4-57-228 ISSUE 1.