Service difficulty report · Threshold Web · Boeing 737

Difficulty date
March 2, 2022
Submitted
March 31, 2022
Operation
Air carrier
Aircraft
N763SW
Make and model
Boeing 737
Aircraft serial
27877
Aircraft time
74,817 hours, 44,183 cycles
Part
Threshold Web
Condition
Corroded
Location
Fwd Cargo
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 CARGO BAY DOOR THRESHOLD AT RBL 29 BS 460+12. / [01] SRM 53-30-15-1A-1 IS APPLICABLE<BR><BR>REMOVED CORROSION FROM FWD CARGO BAYI DOOR THRESHOLD WEB AT RBL29 BS460+12 N AREA OF 2.2'X1.2'X.005' ORIGINAL MATERIAL THICKNESS .045' FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02-0G-0 AND SRM 53-30-15-1A-1<BR><BR>DEPTH GAUGE<BR>ATS2677<BR>S/N UNKNOWN<BR>11/2022;[02] VERIFIED CORRECTIVE ACTION 1;[03] RECEIVED NEW WEB P/N: 654A0003-58 PO NUMBER: P2455495-1. LOCATED AND DRILL NEW WEB IAW SRM 51-40-02; SRM 51-40-05; SRM 51-40-08 AND DWG 143A8122 ID:0010 REV: -.;[04] RECEIVED NEW WEB P/N: 654A0003-58 PO NUMBER: P2455495-1. LOCATED AND DRILL NEW WEB IAW SRM 51-40-02; SRM 51-40-05; SRM 51-40-08 AND DWG 143A8122 ID:0010 REV: -.;[05] PART REQUIREMENT;[06] VERIFIED CORRECTIVE ACTIONS 3-5. ALL WORK ACCOMPLISHED.