Service difficulty report · Web · Boeing 7572B7

Difficulty date
October 26, 2009
Submitted
October 26, 2009
Operation
Air carrier
Aircraft
N907FD
Make and model
Boeing 7572B7
Aircraft serial
27198
Aircraft time
52,273 hours, 21,563 cycles
Part
Web
Part number
311N50406
Condition
Worn
Location
Nr 1 Pylon
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

NUMBER 2 PYLON 311N5040-6 UPPER AFT WEB IS WORN AT APPROX. PPS 162 - 172. BLENDED WORN AREA AT APPROX PPS 170.90. ORIGINAL MATERIAL THICKNESS .063", AFTER REWORK .054"; D=.009", L=1.0", W=.700". FOUND TO BE OUT OF LIMITS PER SRM 54-50-01, NOTE "B", DETAIL 3. FLOURESCENT PENETRANT INSPECTED AREA PER SOPM AND EA F-5450-131124. NO DAMAGE REMAINS AND AREA IS CRACK-FREE. CLEANED AND APPLIED BMS 10-11 TYPE 1 PRIMER PER EA F-5450-131124. THESE REWORK INSTRUCTIONS FOR NR 1 PYLON, ARE CLASSIFIED AS A CAT. "A" MAJOR REPAIR, PER EA F-5450-131124, REV DATE 10/02/09.

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