Service difficulty report · Shield · Boeing 7377H4

Difficulty date
August 26, 2021
Submitted
September 13, 2021
Operation
Air carrier
Aircraft
N966WN
Make and model
Boeing 7377H4
Aircraft serial
36966
Aircraft time
32,714 hours, 19,999 cycles
Part
Shield
Part number
146A812712
Part serial
BN117636
Condition
Corroded
Location
Aft Cargo Bay
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

ACB FWD SHIELD CORROSION. BS767+3.5; RBL22; WL151 ; / [01] REMOVED CORROSION ON ACB FWD SHIELD BS767+3.5 RBL21 WL151; L=.500 W=.500 D=.005;USED CALIBRATION TOOL ID:ATS1866 SERIAL:UNKNOWN DATE DUE:01/2022; NO ALLOWABLE LIMITS IN SRM; SHIELD IS REPAIRED BY REPLACEMENT IAW SRM 51-10-02; [02] REMOVED SHIELD AT ACB BS767+3.5 RBL22 WL151 IAW SRM 51-40-02 LOCATED; DRILLED AND COUNTERSINK NEW SHIELD P/N 146A8127U12 PO# 835530 IAW SRM 51-40-05; 51-50-08 AND DWG 146A8127; [07] VERIFIED ACTION 6; [08] TOPCOAT ENAMEL AND CIC APPLIED PER CUSTOMER CARD# TTG8Q004E21X REQUEST OK TO INSTALL.; [09] VERIFIED ENAMEL & CIC WERE APPLIED ON FAULT TTG8Q004E21X STEPS 24 & 32.<BR>OK TO INSTALL ACB FORWARD SHIELD GIVEN.; [10] INSTALLED ACB FWD SHIELD BS 767-794; RBL 22 PER SRM 51-40-02; DWG# 146A0081

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