Service difficulty report · Doubler · Bombdr DHC8402

Difficulty date
February 19, 2017
Submitted
March 21, 2017
Operation
Air carrier
Aircraft
N408QX
Make and model
Bombdr DHC8402
Aircraft serial
4050
Aircraft time
37,889 hours, 39,618 cycles
Part
Doubler
Part number
8Z7588139
Condition
Corroded
Location
Bs 331
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 ON THE NR 3 ANTENNA DOUBLER EXTERIOR AT BS 331. BLENDED CORROSION, BLEND HAS EXCEDED MAX DEPTH OF 10% AND FOUND TO BE OUT OF LIMITS IAW SRM 51-21-00 AND DWG 8Z7588 REV -V. LOCATED, DRILLED & DEBURRED A NEW DOUBLER IAW SRM 51-40-07-02-01 AND INSTALLED.