Service difficulty report · Panel · Boeing 737752

Difficulty date
July 20, 2023
Submitted
August 17, 2023
Operation
Air carrier
Aircraft
N7887A
Make and model
Boeing 737752
Aircraft serial
35123
Aircraft time
50,547 hours, 26,200 cycles
Part
Panel
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

CRACK ON BREAK PANEL AT FASTENER BS 540; LBL 1; WL 207<[01] REMOVED BREAK PANEL ON BS 540; LBL 1; WL 207 FOUND PART HAS NOT SRM LIMITS AND SO PART IS REPAIRABLE BY REPLACENENT IAW SRM 51-10-02 STEP 9;[02] LOCATED AND DRILLED NEW BREAK PANEL ON BS 540; LBL 1; WL 207 P/N 143A5240U33 LOT 1535018-1 AND 143A5240U11 IAW SRM 51-40-02 AND DWG143A5240. <BR>PK TO INSTALL;[03] VERIFIED CORRECTIVE ACTION STEPS 1-2. VERIFIED OK TO INSTALL.;[04] INSTALLED NEW BREAK PANEL P/N 143A5240U33 ON BS 540; LBL 1; WL 207 IAW SRM 51-40-02 AND DWG 143A0060.;[05] VERIFIED CORRECTIVE ACTION 4;[06] COMPLETED STEP 1