Service difficulty report · Strap · Bombdr DHC8402

Difficulty date
May 11, 2016
Submitted
May 24, 2016
Operation
Air carrier
Aircraft
N415QX
Make and model
Bombdr DHC8402
Aircraft serial
4081
Aircraft time
30,844 hours, 31,927 cycles
Part
Strap
Condition
Corroded
Location
Bs 301-321
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

EVIDENCE OF CORROSION FOUND ON STRAP BETWEEN FS 301-321, STR 32P. BLENDED, REMOVED CORROSION ON INTERNAL STRAP BETWEEN FS X 301.0 TO FS X 321.0, STR 32P, REF SRM 53-00-00-02-20, PARA 6 A-B AND FIG 201, SHT 1 AND SHT 3. CW ET/UT INSP REF NDTM 51-00-06 + 51-00-04. NO DEFECTS NOTED. MIN THICK =.049" IN FWD AREA + .047" IN AFT AREA. ORIGINAL MATERIAL THICKNESS IS .050"; REMAINING MATERIAL AFTER BLEND IS .019 MIN ALLOWABLE MATERIAL ALLOWED ON STRAP IS .040. FOUND TO BE WITHIN LIMITS REF SRM 53-00-00-02-20, PG 203, FIG 201 SHT 1 NOTE 1, .047 AFT AREA. RESTORED FINISH ON STRAP BETWEEN FS X 301 TO FS X 321, STR 32P, REF SRM 51-21-10-02-01, 51-25-10-02-01 AND 51-25-25-02-01.