Service difficulty report · Support Fitting · Boeing 7377H4

Difficulty date
July 28, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Support Fitting
Condition
Corroded
Location
Bs 612 Lbl55
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 FORWARD ENTRY DOOR FORWARD GIRT BAR FITTING SUPPORT AT B.S. 312; LBL 55; WL 208.1. ; / [01] REMOVED ON FWD ENTRY DOOR FWD GIRT BAR FITTING SUPPORT AT BS 312; LBL; 55; WL 208.1 IAW SRM 51-40-02 AND SRM 51-10-02 ITEM 9.C MUST BE REPAIRED BY REPLACEMENT NO ENTRIES IN SRM BY ALLOWABLE DAMAGE.; [02] UPDATED MEASUREMENTS; [03] INSTALLED NEW FWD GIRT BAR FITTING SUPPORT AT FWD ENTRY DOOR BS 312 LBL 55 WL 208.1 IAW 51-40-02-0G-0 AND IPC 53-42-00-29; [04] VERIFIED ALL MAINTENANCE STEPS ARE COMPLETE.; [05] INSTALLED NEW FWD GIRT BAR FITTING SUPPORT AT FWD ENTRY DOOR BS 312 LBL 55 WL 208.1 IAW SRM 51-40-02-0G-0 AND IPC 53-42-00-29; [06] VERIFIED ACTION 5

More about the Boeing 737-7H4