Service difficulty report · Fitting · Boeing 7572T7

Difficulty date
May 4, 2010
Submitted
June 15, 2010
Operation
Air carrier
Aircraft
N937FD
Make and model
Boeing 7572T7
Aircraft serial
23895
Aircraft time
63,630 hours, 26,638 cycles
Part
Fitting
Part number
451N570081
Condition
Corroded
Location
Zone 100
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

FWD CARGO COMPARTMENT RH CARGO NET TIE-DOWN FITTINGS AT STA 620, STA 640 AND STA 660 FOUND WITH CORROSION. TIE DOWN FITTING FOUND DEEP PITTING CORROSION EXCEEDED LIMIT AS PER SRM 53-00-53 FIG. 101 REV, 99. CORRODED PLATE AT STA 620 RT R & R WITH NEW PLATE 451N5700-81 AS PER SRM 51-40-02 REV. 99. TIE DOWN FITTINGS 2 EA. CORROSION REMOVED AND TREATED AS PER SRM 51-10-02 AND 51-20-01 REV. 99. TIE DOWN FITTING RE-WORKED AREA MATERIAL REMOVED 0.015", ORIGINAL THICKNESS 0.180" FOUND WITHIN LIMIT AS PER E.A. F-5340-138535. REPAIR IS CLASSIFIED AS MAJORE REPAIR AS PER GMM 6-2-100 CRITERIA.

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