SDR SWAA2022032168807

Service difficulty report · Rail · Boeing 737*

Difficulty date: February 4, 2022
Submitted: March 21, 2022
Operation: Air carrier
Aircraft: N216WR
Make and model: Boeing 737*
Aircraft serial: 32488
Aircraft time: 52,760 hours, 31,347 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Rail
Condition: Corroded
Location: Aft Cargo
Stage of operation: UK
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

ACB FLOOR RAIL CORRODED AT BS767+5' LBL12.50 / [01] REMOVED CORROSION ON ACB FLOOR RAIL AT BS 767+5 LBL 12.50 IN AREA OF L=1' X W=3' D=.008' REMAINING THICKNESS =.055' FROM ORIGINAL THICKNESS .063' FOUND TO BE OUT OF LIMITS IAW SRM 53-60-53-01-2; SRM 53-00-53-1A-2 B (2) FIG 103 SRM 51-10-02; BAC 1509-100146;[;[15] INSTALLED NEW SPLICE AT BS 767 TO 767+10'; LBL 12.50 IAW SRM 53-00-53-2R-2; REPAIR 2 ; ALTERNATIVE 5;[16] VERIFIED STEP 15.