Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
September 28, 2022
Submitted
October 25, 2022
Operation
Air carrier
Aircraft
N266WN
Make and model
Boeing 7377H4
Aircraft serial
32523
Aircraft time
52,718 hours, 31,500 cycles
Part
Doubler
Condition
Cracked
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

BS 663 R/H VAPOR BARRIER REAR SPAR DOUBLER IS CRACKED RBL 25 W/L 150 / [01] FABRICATED DOUBLER FROM 2024-O 0.040 LOT. 1313418-1 IAW DWG 111A1511-28 REV:A;[02] VERIFIED CORRECTIVE ACTION 1.;[03] RECIVED DOUBLER ON CUSTOMER RO NO 865529-SWA; LOCATED AND DRILLER NEW DOUBLER IAW SRM 51-40-05-0G-0 AND DWG 111A1001 REV.-A. AND DDWG 111A1000 REV.-A. REQ. OK TO TREAT AND PRIME.;[04] RECIVED DOUBLER ON CUSTOMER RO NO 865529-SWA; LOCATED AND DRILLER NEW DOUBLER IAW SRM 51-40-05-0G-0 AND DWG 111A1001 REV.-A. AND DWG 111A1000 REV.-A. REQ. OK TO TREAT AND PRIME;[05] VERIFIED CORRECTIVE ACTION #4.;[06] APPLIED CONVERSION COATING IAW AMM 51-21-41-370-802.<BR>APPLIED PRIMER IAW AMM 51-21-72-370-804.<BR>OK TO INSTALL DOUBLER.;[07] APPLIED CONVERSION COATING IAW AMM 51-21-41-370-802 AND APPLIED PRIMER IAW AMM 51-21-72-370-804. DOUBLER GOIN TO BE INSTALL ON TTG8Q00F1J6F STEP 13;[08] VERIFIED CORRECTIVE ACTION 7 AND MEASUREMENT TABLE.

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