Service difficulty report · Angle · Boeing 7377H4

Difficulty date
January 5, 2023
Submitted
February 7, 2023
Operation
Air carrier
Aircraft
N209WN
Make and model
Boeing 7377H4
Aircraft serial
32484
Aircraft time
59,684 hours, 35,490 cycles
Part
Angle
Part number
NOTREPORTED
Part serial
NOTREPORTED
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 SUPPORT ANGLE AT FWD WET AREA BS304 - BS328 RBL57.<[01] REMOVED CORROSION ON FWD SERVICE THRESHOLD SUPPORT ANGLE BS304-328 RBL57 IAW SRM 51-10-02-0G-0; EVALUATED AREA AND FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15-1A-2-PART 4.C DETAIL D; MEASURES L=3.0'' X W=1.0'' X D=0.012'' ORIGINAL THICKNESS=0.090'' TOOL USED CALIPER ID: ATS2739 S/N: A22004232 DUE DATE:11/2023 DEPTH GAUGE ID: ATS2677 S/N: UNK; DUE DATE:11/2023; REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 PART 9.A.;[02] VERIFIED MEASUREMENTS<BR>VERIFIED CORRECTIVE ACTION #1; OUT OF LIMITS;[03] REMOVED THRESHOLD SUPPORT ANGLE BS304-328 RBL57 WL 208.1 PER SRM 51-40-02-0G-0;[04] RECIVED; LOCATED AND DRILLED NEW SUPPORT ANGLE AT BS304-328 RBL57 WL 208.1; IAW 737-700 SRM 51-40-05-0G-0 DWG 141A8310.;[05] OK TO INSTALL;[06] VERIFIED CORRECTIVE ACTIONS #4 AND 5 OK TO INSTALL;[07] INSTALLED NEW SUPPORT ANGLE AT BS304-328 RBL57 WL 208.1; IAW 737-700 SRM 51-40-02-0G-0 DWG 141A8310.;[08] RII VERIFIED CORRECTIVE ACTION ITEM 7.;[09] ALL ITEMS ON THIS CARD ARE COMPLETED;[10] VERIFIED ALL REQUIRED CORRECTIVE ACTION ITEMS COMPLETED.

More about the Boeing 737-7H4