SDR UIEA01042

Service difficulty report · Doubler · Boeing 747230B

Difficulty date
April 21, 2001
Submitted
May 17, 2001
Operation
Air carrier
Aircraft
N509MC
Make and model
Boeing 747230B
Aircraft serial
21221
Part
Doubler
Part number
65B07992126
Condition
Corroded
Location
Bulkhead
Part time
100,709 hours
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 INSPECTION, FOUND BONDED DOUBLER CORRODED ON CANTED BULKHEAD BS 1241 AT LBL 11.33. USED GUN BARREL REAMER, REMOVED LAYER OF CORRODED SKIN OF BONDED DOUBLER. FABRICATED FILLER AND REPAIR DOUBLERS. INSTALLED PER STANDARD PRACTICES PER BOEING TELEX. (M)