Service difficulty report · Strap · Boeing 7377H4

Difficulty date
June 23, 2022
Submitted
August 11, 2022
Operation
Air carrier
Aircraft
N951WN
Make and model
Boeing 7377H4
Aircraft serial
36665
Aircraft time
39,132 hours, 23,683 cycles
Part
Strap
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

CORROSION ON AFT CARGO BAY TENSION STRAP TO INTERCOSTAL ATTACH DOUBLER AT RBL 20 BS 787+2. NUT PLATE DOUBLER / [01] SRM 53-60-15-1A-1 IS APPLICABLE FOR THIS DAMAGE;[02] BLENDED CORROSION ON AFT CARGO BAY INTERCOSTAL AT RBL 20; WORK AREA ; BS 787+2 ; L 2.0' X W 0.200' X D 0.001' ; ORIGINAL THICKNESS 0.050' ; REMAINING THICKNESS 0.049 ; FOUND TO BE IN LIMITS IAW SRM 53-60-15-1A-1 ; STEP 4G ; USE MICROMETER ; ID:ATS599 ; S/N: 87172278; DUE:09/2022;[03] NOT ALLOWABLE DAMAGED FOR THIS STRAP ; PART WILL BE REPLACE IAW 51-10-02-0G-0 ; STEP 9;[04] NO ALLOWABLE DAMAGE PER SRM ; REPAIR BY REPLACEMENT OF PART;[05] PARTIAL ON STEP 1.;[06] STEP 2 WRITTEN IN ERROR.;[07] VERIFIED CORRECTIVE ACTION 1 THRU 6 WITH CORRECTIVE ACTION 2 ENTERED IN ERROR AND NEW PART REC'D AND DRILLED UP COMPLETED;[08] PARTIAL ON STEP 3.<BR>FAULT TTG8Q00D6DSR COMPLETED.;[09] VERIFIED ACCOMPLISHMENT OF STEP 3.;[10] VERIFIED STEP 2 WAS WRITTEN IN ERROR.;[11] CORRECTED MEASUREMENT 15;[12] VERIFIED MEASUREMENT FIELDS ARE ACCURATE & COMPLETE.

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