Service difficulty report · Strap · Boeing 7377H4

Difficulty date
July 4, 2023
Submitted
August 9, 2023
Operation
Air carrier
Aircraft
N965WN
Make and model
Boeing 7377H4
Aircraft serial
36677
Aircraft time
38,362 hours, 23,630 cycles
Part
Strap
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 THRESHOLD TIE STRAP AT FASTENER HOLES BS 787+8 - 807+13 RBL 20 WL 159<[01] VERIFIED APPLICABILITY IAW SRM 53-60-15-01-1 AND SRM 53-60-15-1A-1;[09] OK TO INSTALL NEW THRESHOLD TIE STRAP.;[10] OKAY TO INSTALL GIVEN.;[11] STARTED INSTALLATION OF THRESHOLD TIE STRAP IAW SRM 51-40-02 AND DWG 146A8340 REV-; DWG 146A8120 REV A; DWG 146A0081 REV C;[12] EDIT TO CORRECTIVE ACTION 11<BR>APPLIED SEALANT AT 7:00 PM/11-JUL-2023 02:00 UTC<BR>BMS 5-95 TY 1 CL C 20;[13] INSTALLED THRESHOLD TIE STRAP AT ACB BETWEEN BS 767+6' TO BS 847+13' RBL20 WL 159IAW SRM 51-40-02 AND DWG:146A8120 AND DWG:146A0081.;[14] FINAL INSPECTION. JOB COMPLETE.

More about the Boeing 737-7H4