Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
June 23, 2022
Submitted
August 10, 2022
Operation
Air carrier
Aircraft
N951WN
Make and model
Boeing 7377H4
Aircraft serial
36665
Aircraft time
39,132 hours, 23,683 cycles
Part
Support Angle
Part number
143A812210
Condition
Corroded
Location
Fwd 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

FWD CARGO BAY DOOR CUTOUT SUB-THRESHOLD WEB IS CORRODED FROM STA 440+8 TO STA 480+5; RBL 27.5 TO RBL 29; WL 156.5 / [01] PARTIAL ON STEP 1.<BR>ENTERED MEASUREMENTS.;[02] PARTIAL ON STEP 2.;[03] PARTIAL ON STEP 3.;[04] PARTIAL ON STEP 4.;[05] VERIFIED COMPLETE STEPS 2;3 AND 4; VERIFIED MEASUREMENT FIELD;[06] APPLIED CHEMICAL CONVERSION COATING IN REWORKED AREAS AT THRESHOLD WEB FCB IAW SRM 51-20-01 REQUEST OK TO PRIMER.;[07] VERIFIED CORRECTIVE ACTION ITEM 6.;[08] STEP 1 COMPLETE.<BR>FAULT TTG8Q00D5ZQW COMPLETED.;[09] VERIFIED CORRECTIVE ACTION #8

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