Service difficulty report · Web · Boeing 73779P

Difficulty date
November 9, 2021
Submitted
December 1, 2021
Operation
Air carrier
Aircraft
N7862A
Make and model
Boeing 73779P
Aircraft serial
33009
Aircraft time
48,858 hours, 32,792 cycles
Part
Web
Condition
Corroded
Location
Bs 440-460
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 FWD CARGO BAY THRESHOLD SUBWEB BS 440 +15; BS 460; BS 460 +7; +13; +14; +18 RBL 28 WL 156 ; / [01] EVALUATED CORROSION AT ALL LOCATION; FOUND DEEPEST LOCATION TO BE AT BS 440+15 RBL 28 WL 156. FOUND 0.015 REMOVED FROM ORIG 0.045 IN 1'X1' AREA; FOUND TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1 USING DIAL DEPTH GAUGE ATS 1225 S/N UNKNOWN; [02] VERIFIED OUT OF LIMITS; [03] RECEIVED NEW WEB P.O.# 844617; LOCATED ; DRILLED; DEBURRED AND INSTALLED NUT PLATES PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG 143A8330.; [04] VERIFIED CORRECTIVE ACTION 3.

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