Service difficulty report · Fitting · Boeing 7572T7

Difficulty date
April 27, 2010
Submitted
April 27, 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
143N53401
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 COMPT LT CARGO NET TIE-DOWN FITTINGS AT STA 580, ST 660 AND STA 720 FOUND WITH CORROSION. FWD CARGO BS LT CARGO NET TIE-DOWN FITTINGS AT BS 580, 660 & 720. FOUND CORRODED. REMOVED & TREATED IAW SRM 51-10-02 AND 51-20-01 REV 99. MATERIAL REMOVED 0.003" AT BS 660 LT, & 0.022" AT BS 720 LT ORIGINAL THICKNESS 0.180" FOUND WITHIN LIMIT IAW E.A. F-5340-138535, MAXIMUM CLEAN UP DEPTH OF THICKNESS IS 25%. TIE DOWN FITTING RE-WORKED AREA AT BS 580 LT MATERIAL REMOVED 0.060" ORIGINAL THICKNESS 0.180" FOUND EXCEEDED LIMIT AS IAW E.A. F-5340-138535 & SRM 53-00-52 FIG 101 DETAIL V REV. 99. CORRODED FITTING REPLACED WITH PN: 143N5340-17 IAW SRM 51-40-05, REV 99. REPAIR IS CLASSIFIED MAJOR IAW GMM 6-2-100.

More about the Boeing 757-2T7