Service difficulty report · Channel · Boeing 7377H4

Difficulty date
March 10, 2022
Submitted
April 8, 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
L2 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 ENTRY MOPSILL STA 900-988; L/H; WL 208. / [01] EVALUATED CORROSION ON AFT ENTRY MOPSILL STA 900-988; L/H; WL 208. FOUND TO HAVE 100 PERCENT MATERIAL LOSS. OUT OF LIMITS PER SRM 53-70-15-1A-1. REPLACEMENT OF PART IS APPLICABLE SRM 51-10-02-0G-0.;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] REMOVED AFT ENTRY MOPSILL STA 900-988 L/H WL 208 IAW SRM 51-40-02-0G-0;[04] RECEIVED;LOCATED AND DRILLED NEW AFT ENTRY DOOR MOPSILL P/N 147A8540U7ATSMRO BS 887-1006 L/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 ENTRY DOOR MOPSILL P/N 147A8540U7ATSMRO BS 887-1006 L/H WL 208 IAW SRM 51-40-05-0G-0 AND DWG 147A8501.;[07] INSPECTED & VERIFIED CORRECTIVE ACTION ITEM 6. OK TO INSTALL NEW AED 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 AED MOPSILL I.A.W SRM 51-40-02-0G-0 AND DWG 147A8501.;[11] VERIFIED STEP 10.;[12] UPDATED MEASUREMENT TABLE.;[13] UPDATED MEASUREMENT TABLE.;[14] REMOVED AND REPLACED AED MOPSILL I.A.W SRM 51-40-02-0G-0 AND DWG 147A8501 ALL AMT BLOCK COMPLETED;[15] VERIFIED CORRECTIVE ACTION 14.

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