Service difficulty report · Bracket · Boeing 7377H4

Difficulty date
September 21, 2022
Submitted
January 10, 2023
Operation
Air carrier
Aircraft
N224WN
Make and model
Boeing 7377H4
Aircraft serial
32493
Aircraft time
56,537 hours, 33,806 cycles
Part
Bracket
Condition
Corroded
Location
Bs 663-695 Rbl70
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

R/H WHEEL WELL STA 663 TO 695 RBL 70 SHELF SECONDARY BRACKET SHUT OFF VALVE SUPPORT CORROSION FOUND ON BONDING MATING SURFACE<[01] REMOVED CORROSION IN BRACKET IAW SRM 51-10-02-0G-0 ITEM 15;[02] MEASURED MATERIAL 'T' ORIGINAL .071 REMAINING .067 LOSS .004 TOOL UT AAR# 36644 DUE 08/09/23;[03] VERIFIED ITEMS 1 AND 2<BR>NEED TO SELL LIMITS;[04] NO ALLOWABLE LOSS LIMITS. RECEIVED PART FROM BACK SHOP ON W/O NO 44141-0000-0003;[05] VERIFIED STEP 4;[06] LOCATED AND DRILLED PART IAW SRM 51-40-01-0G-0 AND DWG 272A9445;[07] VERIFIED STEP 6<BR>OK TO TREAT AND PRIME;[08] TREATED PART IAW 51-21-41-370-801 PRIMED PART IAW 51-21-72-370-804;[09] VERIFIED STEP 8;[10] PLACED PART ON PARTS RACK.;[11] AUDIT CW

More about the Boeing 737-7H4