Service difficulty report · Fitting · Doug DC873F

Difficulty date
November 2, 2007
Submitted
December 6, 2007
Operation
Air carrier
Aircraft
N801DH
Make and model
Doug DC873F
Aircraft serial
46033
Aircraft time
32,570 hours, 85,401 cycles
Part
Fitting
Part number
5644972
Condition
Cracked
Location
Nr 4 Alt Tank
Part time
85,401 hours, 32,570 cycles
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

NR 4 ALT TANK FITTING CRACKED 0.500" AT STA XRS 408.000 S-58 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW JC EC-00590-001, DOUGLAS DWG 5644972. REMOVED CRACKED FITTING IAW SRM 57-1-0 PG 1, SRM 51-1-20D. CLEANED, TREATED AND PRIMED AREA IAW SRM 51-1-8B. INSTALLED NEW FITTING IAW SRM 51-1-11, SRM 51-1-23 (PLI WASHER) SRM 51-1-20D, SRM 51-3-1 (TORQUE). REFER TO JC EC-00590-001 (WO 2624) FOR FABRICATION AND NR 130482 FOR LEAK CHECK (FUEL).

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