Service difficulty report · Channel · Boeing 7377H4

Difficulty date
July 25, 2023
Submitted
August 18, 2023
Operation
Air carrier
Aircraft
N292WN
Make and model
Boeing 7377H4
Aircraft serial
32538
Aircraft time
51,861 hours, 31,244 cycles
Part
Channel
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

FWD ENTRY DOOR MOP SILL CRACKED BS 303 LBL 57 WL 208.<[01] APPLIED EWIS PROTECTION AT WOEK AREA IAW SOPM 20-60-07;[02] UPDATED STEP 1-7;[03] UPDATED STEP 8;[04] UPDATED STEP STEP 9;[05] UPDATED STEP 8;[06] UPDATED STEP 7;[07] UPDATED STEP 3 AND N7;[08] COMPLETED STEPS 8 AND 9.<BR>VERIFIED PARTIAL STEPS 3 AND 7.;[09] UPDATE PARTIAL STEPS 3 AND 7;[10] UPDATED STEP 10;[11] COMPLETED STEP 10;[12] UPDATED STEP 3 AND 7;[13] VERIFIED COMPLETION PARTIAL STEPS 3 AND 7.;[14] UPDATED STEP 3;[15] VERIFIED COMPLETION PARTIAL STEPS 3 ITEM 6.;[16] UPDATED STEP 3;[17] VERIFIED COMPLETION STEP 3.;[18] STEP # 6;[19] UPDATE PARTIAL STEP 6<BR>OK TO REINSTALL FWD SUPPORT AT L/H MOP SILL GIVEN;[20] COMPLETED STEP # 6;[21] STEP#7;[22] COMPLETED STEP 6<BR>UPDATE STEP 7 ITEM 6: OK TO INSTALL L/H MOP SILL 141A9112-1 GIVEN;[23] PARTIAL STEP#7;[24] STEP# 1-2;[25] COMPLETED STEP#1-2;[26] STEP #4-5;[27] VERIFIED CORRECTIVE ACTION STEP 26.;[28] COMPLETED STEP #4-5;[29] COMPLETED STEP #7;[30] THE REMOVAL AND INSTALLATION WAS ACCOMPLISHED ON STEPS 4; 5; 6 AND 7 PER SRM 51-40-02-0G-0; BOEING DWG# 141A8110 REV: A; 140A9810; DWG#141A8141 REV: A AND DWG# 143A5900 REV: A;[31] VERIFIED COMPLETION STEPS 4;5;7 AND MEASUREMENT TABLE.

More about the Boeing 737-7H4