SDR SWAA2025120833407

Service difficulty report · Sidewall Support · Boeing 737752

Difficulty date: November 9, 2025
Submitted: December 8, 2025
Operation: Air carrier
Aircraft: N7888A
Make and model: Boeing 737752
Aircraft serial: 35124
Aircraft time: 59,161 hours, 31,480 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Sidewall Support
Condition: Corroded
Location: Zone 100
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

CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS 727B - 847, LBL 21, WL 155. FOUND TO BE OUT OF LIMITS. REMOVED, FABRICATED, AND INSTALLED A NEW FLOOR TO SIDEWALL SUPPORT AT BS 727 TO 847, & SPLICE AT BS 727E+9.8, LBL 21, WL 155 IAW SRM 53-00-53-1A-2, SRM 53-00-53-2R-5, REP 5, SRM 51-40-02-0G-0, SRM 51-40-02-0G-0, SRM 51-20-02, & DWG 146A7500, REV -.