Service difficulty report · Frame · Bombdr DHC8402

Difficulty date
November 25, 2014
Submitted
December 1, 2014
Operation
Air carrier
Aircraft
N408QX
Make and model
Bombdr DHC8402
Aircraft serial
4050
Aircraft time
32,448 hours, 33,791 cycles
Part
Frame
Condition
Corroded
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

CORROSION AT X32.400 FRAME BETWEEN STR 24P AND 25P FWD SIDE OF FRAME. REMOVED 4 EA HI LIGHT FASTENERS ON EXTERNAL SKIN TO FRAME AT FS 32.40, STRINGER 24P IAW SRM PARA 6;N 1-5 TO FOM, SRM 51-40-15, REPAIR-01. INSTALLED 4 EA HI-LIGHT FASTENERS ON EXTERNAL SKIN TO FRAME AT FS X32.4 STR P24P IAW SRM 51-40-15, REPAIR-01. REMOVED 6 EA SOLID RIVETS AT STR 24P FS 33.20 TO 39.20 AND 2 EA BETWEEN STR 25P AND 26P F.S32.40 IAW SRM 51-42-05, PARA 4E(1-3) TO FOM. INSTALLED 6EA SOLID RIVETS AT STR 24P, FS X33.2 TO FS X39.2 AND 2 EA BTW STR 25P AND 26P, FS X32.4, REF SRM 51-42-05, REPAIR-01. REMOVED CORROSION ON FUSELAGE FRAME STA 32.40 BETWEEN STRINGERS 24P & 25P IAW SRM 51-21-00 STRUT IDENT-02 PARAGRAPH 4A STEP 5(A-D) AND SL REF: FTOS-14-32154364. OBTAINED CORROSION REMOVAL DETAILS, MEASUREMENTS OF LENGTH 1.6120", WIDTH 0.200 AND DEPTH OF .058". NO DEFECTS NOTED. FOUND TO BE WITHIN LIMITS REF RD8/4-53-6506, ISS.1. BLEND LIMITS ARE 1.65" X .200" X .140", ACTUAL IS 1.612" X .200" X .058". COMPLIED WITH RD8/4-53-6506 TASK CARD. COMPLIED WITH M-184 FORM.