SDR SWAA2022020163797

Service difficulty report · Plate · Boeing 737790

Difficulty date: September 15, 2017
Submitted: February 2, 2022
Operation: Air carrier
Aircraft: N577WN
Make and model: Boeing 737790
Aircraft serial: 30166
Aircraft time: 55,212 hours, 25,579 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Plate
Condition: Corroded
Location: Lh Aft Cargo
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*** LH AFT CARGO FLOOR TO SIDEWALL SUPPORT PLATE CLIP HAS CORROSION AT STA 727+5 BOTTOM SIDE / REMOVED DAMAGED L/H ACB FLOOR TO SIDEWALL SUPPORT PLATE CLIP;PER SRM 51-40-02-0G-0. FABRICATED AND INSTALLED NEW 146A7504-3 CLIP PER SRM 51-40-02-0G-0 AND DWG #146A7504. THERE ARE NO ALLOWABLE DAMAGE LIMITATIONS ESTABLISH IN THE SRM. PART WAS FOUND TO BE OUT OF LIMITS. 41473U 25SEP17 55860C 25SEP17