Service difficulty report · Strap · 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
Strap
Part number
146A8128U14
Part serial
BN114469
Condition
Corroded
Location
Bs 807
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 DOOR SURROUND STRUCTURE STRAP CORROSION BS807+2; RBL19.25; WL154. ; / [01] REMOVED AND EVALUATED CORROSION AT BS807+2 RBL19 WL154. DAMAGE MEASURES 1.3LX1.1WX0.025D. DAMAGE FOUND TO BE OUT OF LIMITS PER SRM 53-60-15-1A-1. PART TO BE REPAIRED BY REPLACEMENT.; [02] CERTIFIED ACTION 1; [03] VERIFIED REMOVED AND EVALUATED CORROSION AT BS807+2 RBL19 WL154. DAMAGE MEASURES 1.3LX1.1WX0.025D. DAMAGE FOUND TO BE OUT OF LIMITS PER SRM 53-60-15-1A-1. PART TO BE REPAIRED BY REPLACEMENT.; [04] UPDATED PART#; [05] CALIBRATION TOOL DEPTH GAUGE<BR><BR>ID : ATS2472<BR>S/N : UNKNOWN<BR>DUE : 06/2022; [06] LOCATED AND DRILLED NEW ACB DOOR SURROUND STRUCTURE STRAP BS 807 ;RBL 19.25; WL 154 IAW SRM 51-40-05-0G-0 AND DWG 146A8120; [07] VERIFIED LOCATED AND DRILLED PER SRM 51-40-05 AND DWG 146A8120; [08] OK TO INSTALL NEW STRAP ACB DOOR SURROUND STRUCTURE STRAP BS 807 ;RBL 19.25; WL 154; [09] VERIFIED OK TO INSTALL ACB DOOR SURROUND STRUCTURE STRAP.; [10] INSTALLED NEW STRAP ACB DOOR SURROUND STRUCTURE STRAP BS 807 ;RBL 19.25; WL 154 IAW. DWG : 146A8120 AND SRM: 51-40-02; [11] UPDATED DWG REVISION USED ON ITEM 10- REV: A.; [12] VERIFIED CORRECTIVE ACTION #10 & 11.; [13] UPDATED MEASUREMENTS PARAMETERS- REPAIR TYPE N/A PART REPLACED.; [14] JOB COMPLETE

More about the Boeing 737-7H4