Service difficulty report · Gusset · Boeing 7377H4

Difficulty date
July 16, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
33,006 hours, 20,057 cycles
Part
Gusset
Condition
Cracked
Location
Bs 500d S19r
Stage of operation
IN
How discovered
V
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

GUSSET FOUND CRACKED AT BS500D STR-19R RBL64 ; / [01] UPON FURTHER INVESTIGATION FOUND GUSSET IS AT STR21R IAW DWG 143A7902 SH 259 REV-; [02] ALL REF ARE IN MAINTENIX/TASK INFO/ATTACHMENTS; [03] REMOVED FCB GUSSET BS 500D; STR 19RH PER SRM 51-40-02.; [04] RECEIVED LOCATED AND DRILLED NEW GUSSET P/N 143A9481-5 AT B/S 500D STR 19R RBL 64 LOT#1461912-2 IAW SRM 51-40-05 AND DWG 143A7902 REV:; [05] OK TO INSTALL; [06] EVALUATED GUSSET WITH CRACK P/N 143A9481-5 AT B/S 500D STR 19R RBL 64 ALLOWABLE DAMAGE LIMITS NOT FOUND AT SRM MUST BE REPLACED IAW SRM 51-10-02 PARAGRAPH 9; [07] UPON FURTHER INVESTIGATION VERIFIED CORRECT LOCATION FOR GUSSET P/N 143A9481-5 AT B/S 500D STR 19R IAW DWG143A7902 REV:; [08] VERIFIED. CORRECT LOCATION IS STR 19R; VERIFIED LOCATED AND DRILLED; OK TO INSTALL; [09] INSTALLED NEW GUSSET P/N 143A9481-5 AT B/S 500D STR 19R IAW DWG 143A7902 REV:; [10] INSTALLED NEW GUSSET P/N 143A9481-5 AT B/S 500D STR 19R IAW SRM 51-40-02 AND DWG 143A7902 REV:; [11] VERIFIED - INSTALLED NEW GUSSET P/N 143A9481-6 AT B/S 500D STR 19R IAW SRM 51-40-02 AND DWG 143A7902 REV:; [12] UPDATED; [13] VERIFIED ALL WORK ACCOMPLISHED THIS TASK

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