SDR SWAA2023052229358

Service difficulty report · Strap · Boeing 737752

Difficulty date: April 20, 2023
Submitted: May 22, 2023
Operation: Air carrier
Aircraft: N7835A
Make and model: Boeing 737752
Aircraft serial: 34294
Aircraft time: 57,926 hours, 30,275 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Strap
Condition: Corroded
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

CORROSION FOUND AFT CARGO FLOOR STRAP AT STA 767 + 5 FROM LBL 6 TO RBL 21 WL 155.5 HAS MULTIPLE SPOTS OF CORROSION.<[01] REMOVED CORROSION FROM AFT CARGO FLOOR STRAP AND FOUND TO BE OUT OF LIMITS PER B737 SRM 53-00-53-1A-2 TOOL B/C: 172991 DUE DATE: 25-JUL-23; AND RECIEVED NEW AFT CARGO STRAP PART#: 146A9401-4 PO# 1792296; APPLIED TOPCOAT. REF B737 AMM 51-21-73-370-803<BR>REF TASK TTG8Q00J729ZFOR INSTALLATION;[02] VERIFIED STEP 1