SDR USAA991271

Service difficulty report · Stiffener · Boeing 7373B7

Difficulty date
November 8, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N517AU
Make and model
Boeing 7373B7
Aircraft serial
23703
Part
Stiffener
Part number
BAC1498168
Condition
Cracked
Location
Bs 727e
Part time
40,758 hours
Stage of operation
IN
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

PIT - DURING OTHER REPAIR FOUND 3 CRACKS TOTALING 12.5 INCH W/2.5 INCH BY .5 INCH BROKENOUT AREA ON RADIUS. CORROSION ON CONTACT SURFACE MOST OF LENGTH, LEVEL 1. FOUND AT NR 3 COMM ANTENNA ATTACH POINT STIFFENER APPROX STATION 727E. REMOVED CRACKED AND CORRODED STIFFENER CHANNEL. MADE AND INSTALLED NEW STIFFENER EXTRUSION OF BAC 1498-168 7075-T6 MATERIAL PER 65-65 DWG AND SRM 53-00-01. (M)

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