SDR SWAA2022032168806

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): 5320 · Fuselage Miscellaneous Structure
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' LBL3. / [01] REMOVED CORROSION ON ACB FLOOR RAIL AT BS 767+5 LBL3 IN AREA OF L=1' X W=3' D=.007' REMAINING THICKNESS =.056' 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 1509-10014614] INSTALLED NEW SPLICE AT BS 767 TO 767+105'; LBL 3 IAW SRM 53-00-53-2R-2; REPAIR 2 ; ALTERNATIVE 5 FIG 203; AND SRM 51-40-02;[15] VERIFIED CORRECTIVE ACTION 14.