SDR QXEA2012120401589

Service difficulty report · Stringer · Bombdr DHC8402

Difficulty date: December 4, 2012
Submitted: December 13, 2012
Operation: Air carrier
Aircraft: N406QX
Make and model: Bombdr DHC8402
Aircraft serial: 4048
Aircraft time: 27,831 hours, 29,029 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Corroded
Location: 31 Left
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 31P AT BS 94.800 IS CORRODED. REMOVED CORROSION IAW SRM 53-00-00-02-17. MIN REMAINING THICKNESS .055" CONFIRMED AFFECTED AREA CRACK FREE REF NTM 51-00-04-910-801 PT 1 AND 51-00-06-910-801 PT 1. MATERIAL LOSS ON STRINGER FOUND TO BE IN LIMITS IAQ RD 8/4-53-4988. ALODINED, PRIMED IAW SRM 51-21-10-02-01 AND 51-25-10-02-01. ALUMINIZED, CPC, PRIMED AND TOP COATED IAW SRM 51-25-10-02-01, 51-25-15-02-01 AND AMM 51-25-01-390-801. COMPLIED WITH HORIZ TC RD 8/4-53-4988.