Service difficulty report · Stringer · Bombdr DHC8402

Difficulty date
May 13, 2013
Submitted
May 24, 2013
Operation
Air carrier
Aircraft
N413QX
Make and model
Bombdr DHC8402
Aircraft serial
4060
Aircraft time
28,298 hours, 29,161 cycles
Part
Stringer
Condition
Corroded
Location
Fuselage
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

STRINGER 33P, CORROSION POSSIBLY EXTENDING UNDER FRAME BS 116 FLANGE. REMOVED CORROSION IAW SRM 53-00-00-02-17, REV 12 MIN THICKNESS NOTED .070". CONFIRMED CRACK FREE REF NTM 51-00-04-910-801, PT 1 & 51-00-06-910-801, PT 1 REV9. STRINGER IS OUT OF LIMITS IAW SRM 53-00-00-02-17, REV 12 DUE TO BLEND IN FLANGE GROWOUT. FOUND BLEND IN LIMITS IAW RD8/4-53-5414, ISS 1. ALODINED & PRIMED IAW RD8/4-53-5414 ISS 1. APPLIED ALUMINIZED AND CPC IAW RD8/4-53-5414, ISS 1. PRIOR TO TREATING AND PAINTING, INSTALLED RIVETS IAW SRM 51-42-05-02-01, REV 12. COMPLIED WITH TASK CARD RD8/4-53-5414, WO 143293.