Service difficulty report · Support Fitting · Boeing 7377Q8

Difficulty date
May 7, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N7875A
Make and model
Boeing 7377Q8
Aircraft serial
29354
Aircraft time
50,797 hours, 27,672 cycles
Part
Support Fitting
Condition
Corroded
Location
Aft Cargo
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 CARGO BAY FLOOR SUPPORT FITTING AT STA 887; LBL 8.5; WL 168.6. / [01] REMOVED CORROSION ON AFT CARGO BAY FLOOR SUPPORT FITTING P/N 146A9401-40 AT STA 887; LBL 8.5; WL 168.6 AREA 1.2'X.8'X.016 ; FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02-0G-0.<BR><BR>SUPPORT FITTING WILL BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 STEP 9.C.;[02] REMOVED ON AFT CARGO BAY FLOOR SUPPORT FITTING AT STA 887; LBL 8.5; WL 168.6. IAW SRM 51-40-02-0G-0.;[03] VERIFIED CORRECTIVE ACTION #1.;[04] RECIVED NEW FLOOR SUPORT FITTING ITEM 146A9401-40 LOT 1490925-1 LOCATED AND DRILLED NEW FLOOR SUPORT FITTING AT BS 887 LBL 8.5 WL 168.6; IAW 737-700 SRM 51-40-05-0G-0 DWG 146A9401.-;[05] VERIFIED CORRECTIVE ACTION 4;[06] OK TO INSTALL;[07] OK TO INSTALL;[08] INSTALLED NEW FLOOR SUPPORT FITTING AT ACB BS 887; LBL 8.5; WL 168.6. IAW 773-700 SRM 51-40-02-0G-0; DWG 146A9401 . ALL REQUIRED MAINTENANCE ACTIONS ARE COMPLETE=REQUEST FINAL BUYOFF;[09] VERIFIED CORRECTIVE ACTION #8<BR>VERIFIED MEASUREMENTS;[10] JOB COMPLETE

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