Service difficulty report · Floor Support · Boeing 737890

Difficulty date
May 28, 2024
Submitted
June 21, 2024
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
57,193 hours, 17,458 cycles
Part
Floor Support
Part number
141A541013
Condition
Corroded
Location
Bs 312-328 Rbl11
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

FWD WET AREA STA 312 - 328 LBL 11 FLOOR STIFFNER HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM FWD WET AREA, STA 312-328, LBL 11 FLOOR STIFFENER (PANEL BREAK) REF B737-800 SRM 53-10-51-OI-2, TABLE 3 ITEM (8)PER B737-800 SRM 53-10-51-1A-1, PAR. 4.F (2) ORIG. THICK 0.080, MAT LOSS 0.056, REMAINING THICK 0.024 OUT OF LIMITS PER B737-800 SRM 53-10-51-1A, FIG 105, DETAIL C. REMOVED PANEL BREAK AT STA 312-328 LBL 11 TO FOM PER 737-800 SRM 51-40-02-OG-0. RECEIVED NEW PART PO#1092677. LOCATED AND DRILLED IAW B737-800 SRM 51-40-05. INSTALLED STIFFENER IAW B737-800 SRM 51-40-02 AND IAW B737-800 BAC DWG 141A5400 REV:- INSTALED NUT PLATES (5EA) PER B737-800 SRM 51-40-10-2R-0 UP TO STEP 4.F.(1) CURE TIME START 8:15 PERFORMED NUT PLATE CURE TEST IAW B737-800 SRM 50-40-10. LOAD TEST PASSED CURE VERIFIED.