Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
May 8, 2023
Submitted
May 18, 2023
Operation
Air carrier
Aircraft
N243WN
Make and model
Boeing 7377H4
Aircraft serial
34863
Aircraft time
56,458 hours, 33,945 cycles
Part
Vapor Barrier
Condition
Cracked
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

CRACK INDICATIONS ON 2 EACH FASTENER HOLES COMMON TO CENTER TANK AT STA 663 MARKED IN BLACK<[01] OVERSIZED QTY 2 EA HOLES TO .435 IAW SRM 51-40-05-0G-0;[02] HFEC IAW B737 NDT PART 6; 51-00-00 PROC 16. NO DEFECTS NOTED. TOOL#31823;DUE 03JAN24;[03] VERIFIED ITEM 1;[04] REFER TO FAULT TTG8Q00KVEM5 WHERE EA 23-157-01526 WAS ADDED AS A SUBTASK;[05] JOB COMPLETE; AUDIT C/W;[06] JOB COMPLETE; AUDIT C/W

More about the Boeing 737-7H4