Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
November 4, 2021
Submitted
December 6, 2021
Operation
Air carrier
Aircraft
N206WN
Make and model
Boeing 7377H4
Aircraft serial
34011
Aircraft time
52,875 hours, 31,083 cycles
Part
Fitting
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
9
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

CORROSION ON INTERCOSTAL SUPPORT FITTING AT AFT CARGO BAY BS944 LBL3 WL173. ; THERE IS NO ALLOWABLE DAMAGE FOR INTERCOSTAL SUPPORT FITTING. REMOVED INTERCOSTAL SUPPORT FITTING IAW SRM 51-40-02-0G-0. FORMED REPLACEMENT INTERCOSTAL SUPPORT FITTING IAW DWG 147A7580 REV E AND SRM 51-30-01-0G-0 SEC 8. LOCATED AND DRILLED NEW FITTING IAW SRM 51-40-05 AND DWG 147A7500. APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SOPM 20-43-03 AND SRM 51-21-72-370-804. INSTALLED INTERCOSTAL SUPPORT FITTING ACB BS944; LBL 3; WL 173 IAW SRM 51-40-02 AND DWG 147A7500.

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