SDR SWAA2022032365549

Service difficulty report · Support · Boeing 737790

Difficulty date: October 22, 2019
Submitted: March 23, 2022
Operation: Air carrier
Aircraft: N562WN
Make and model: Boeing 737790
Aircraft serial: 30778
Aircraft time: 61,171 hours, 29,725 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Condition: Corroded
Location: Aft Cargo Compt
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*** IN MULTIPLE LOCATIONS IN ACB ON R/H FLOOR TO SIDEWALL SUPPORT STA 727-767 RBL 22 WL 156 / FOUND CORROSION ON RH FLOOR TO SIDEWALL SUPPORT IN ACB BS 727 TO BS 767 TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 FIG 103. REMOVED DAMAGED FLOOR TO SIDEWALL SUPPORT AND INSTALLED NEW FLOOR TO SIDEWALL SUPPORT PER SRM 51-40-02-0G-0 PAR. 4 AND PAR. 7. AND BOEING DRAWINGS 146A7500 SH.1 AND 146A0061 SH.21 8528C 20NOV.19