Service difficulty report · None · Boeing 7377H4

Difficulty date
August 19, 2022
Submitted
September 27, 2022
Operation
Air carrier
Aircraft
N489WN
Make and model
Boeing 7377H4
Aircraft serial
33855
Aircraft time
57,460 hours, 34,246 cycles
Part
None
Condition
Corroded
Location
Fuselage
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 FWD SERVICE DOOR MOP SILL FROM STA 291.5 TO STA 344; WL 208.1 RBL 52 TO 59. / [01] REMOVED CORROSION IAW SRM 53-10-15-1A-2. 2'X1'X.020. FOUND TO BE OUT LIMITS IAW IAW SRM 53-10-15-1A-2.;[02] TOOL ID: ATS2739<BR>S/N: A22004232<BR>DUE DATE: 04/2023;[03] CORRECTED ITEM 14 OF MEASUREMENTS CHART.;[04] VERIFIED APPLICABILITY FOR SRM;[05] VERIFIED CORRECTIVE ACTION #1; #2; #3; #4.;[06] RECEIVED NEW FWD SERVICE DOOR MOP SILL FROM STORES. REF PO 862469.<BR>LOCATED AND DRILLED NEW PART IAW SRM 51-40-05-0G-0 AND DWG 141A8310 REV D.;[07] VERIFIED CORRECTIVE ACTION 6.;[08] ( OUT OF SEQUENCE) REMOVED DOOR MOP SILL IAW SRM 51-40-02;[09] OK TO INSTALL;[10] CERTIFY;[11] VERIFIED CORRECTIVE ACTION 9; OK TO INSTALL GIVEN.;[12] INSTALLED MOP SILL AT FWD SERVICE DOOR BTW BS 260 TO BS 360 WL 208 RBL 52 TO RBL 59 IAW SRM 51-40-02 AND DWG: 141A8310 ID:0007 REV:- AND DWG: 141A0631 ID:0007 REV:D.;[13] MEASUREMENT FIELDS ITEM 19 AND 22 INCORRECT FOR THE FINAL REPAIR.;[14] MEASUREMENT FIELD P/N AND ISSUED/INSTALLED PART DOES NOT MATCH.;[15] CORRECTED MEASUREMENT TABLE;[16] TASK CARD COMPLETE;[17] VERIFIED CORRECTIVE ACTION 12;[18] VERIFIED MEASUREMENT TABLE

More about the Boeing 737-7H4