Service difficulty report · Channel · Boeing 7377H4

Difficulty date
March 10, 2022
Submitted
April 11, 2022
Operation
Air carrier
Aircraft
N468WN
Make and model
Boeing 7377H4
Aircraft serial
33858
Aircraft time
58,378 hours, 34,580 cycles
Part
Channel
Condition
Corroded
Location
R2 Door
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 AFT SERVICE MOPSILL STA 927-1006; R/H; WL 208. / [01] EVALUATED CORROSION ON ASD MOPSILL STA 927-1006; R/H; WL 208. FOUND TO HAVE 100 PERCENT MATERIAL LOSS. OUT OF LIMITS PER SRM 53-53-70-15-01-1;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] REMOVED AFT SERVICE MOPSILL STA 927-1006 R/H WL 208 IAW SRM 51-40-02-0G-0;[04] RECEIVED;LOCATED AND DRILLED NEW AFT SERVICE DOOR MOPSILL P/N 147A8540U8ATSMRO BS 887-1006 R/H WL 208 IAW SRM 51-40-05-0G-0 AND DWG 147A8501.;[05] VERIFIED CORRECTIVE ACTION STEP 4.;[06] OK TO INSTALL NEW AFT SERVICE DOOR MOPSILL P/N 147A8540U8ATSMRO BS 887-1006 R/H WL 208 IAW SRM 51-40-05-0G-0 AND DWG 147A8501.;[07] INSPECTED & VERIFIED CORRECTIVE ACTION ITEM 6. OK TO INSTALL NEW ASD MOPSILL GIVEN.;[08] INSTALLED 100% TEMPORARY AND PERMANENT FASTENER WITHIN SEALANT SQUEEZE OUT TIME I.A.W SOPM 20-50-19;[09] VERIFIED CORRECTIVE ACTION #8;[10] INSTALLED FASTENER ON ASD MOPSILL FROM BS986.5-BS1016 WL208 RBL50 ON HORIZONTAL FLANGE I.A.W SRM 51-40-02-0G-0 AND DWG 147A8501. <BR> <BR><BR><BR>7. NELSON RIVERA (TECHNICIAN); 17-MAR-2022 00:25 UTC;[11] VERIFIED CORRECTIVE ACTION 10.;[12] INSTALLED ASD MOPSILL I.A.W SRM 51-40-02-0G-0 AND DWG 147A8501.;[13] VERIFIED CORRECTIVE ACTION 12.;[14] UPDATED MEASUREMENT TABLE.;[15] REMOVED AND REPLACED ASD MOPSILL I.A.W SRM 51-40-02-0G-0 AND DWG 147A8501 ALL AMT BLOCK COMPLETED;[16] VERIFIED CORRECTIVE ACTION 15.

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