Service difficulty report · Spar Cap · Aerosp ATR42320

Difficulty date
September 27, 2011
Submitted
November 12, 2011
Operation
Air carrier
Aircraft
N42836
Make and model
Aerosp ATR42320
Aircraft serial
200
Aircraft time
36,410 hours, 43,608 cycles
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Part number
S57210580201
Condition
Corroded
Location
Rt Wing
Part time
36,410 hours, 43,608 cycles
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

DURING HEAVY CHECK INSP RT WING AFT SPAR UPPER CAP WAS CORRODED REF:ZL-632-GVI-10000/572220-DVI-10000 BEYOND LIMITS IAW THE SRM 57-22-00. DAMAGE WAS SUBMITTED THEN ISSUED S.R.I. DO/TS-3027/11-15459. REPAIR WAS PERFORMED BY TECH SERVICES UNDER W/O 17010, TASK 674. REPAIRS WERE SUBMITTED AND APPROVED UNDER STRUCTURAL REPAIR APPROVAL SHEET (SRAS) D0/TS-3027/11...6532. SUPPLEMENTARY INSPECTION TASK: DVI OF BLENDED AREAS FOR NEW CORROSION DETECTION WITH THRESHOLD INTERVAL 2 YEARS.

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