Service difficulty report · Vapor Barrier · Boeing 73776N

Difficulty date
May 7, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N7733B
Make and model
Boeing 73776N
Aircraft serial
32678
Aircraft time
50,055 hours, 25,216 cycles
Part
Vapor Barrier
Condition
Cracked
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

L/H VAPOR BARRIER DOUBLER (111A1511-27) LBL 6-31; BS 663 HAS A CRACK. (MARKED) / [01] FABRICATED DOUBLER FROM 2024-0 #0.040 LOT 1313418-1 IAW DWG 11A1511-27 REV.-A AND DWG 111A1000 REV:A;[02] VERIFIED CORRECTIVE ACTION 1.;[03] RECIVED DOUBLER ON CUSTOMER RO NO 867641-SWA. REQ. OK TO TREAT AND PRIME;[04] VERIFIED CORRECTIVE ACTION 3.<BR>OK TO TREAT AND PRIME;[05] APPLIED CHEMICAL CONVERSION AND PRIME AT DOUBLER IAW SRM 51-20-01-0G-0 AND SOPM 20-43-03;[06] DOUBLER GOING TO BE INSTALL ON CARDTTG8Q00C9UEE;[07] VERIFIED CORRECTIVE ACTION 5 AND 6.

More about the Boeing 737-76N