Service difficulty report · Floor Support · Boeing 737824

Difficulty date
March 18, 2025
Submitted
March 19, 2025
Operation
Air carrier
Aircraft
N12238
Make and model
Boeing 737824
Aircraft serial
28804
Aircraft time
78,270 hours, 28,919 cycles
Part
Floor Support
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
O
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

(SUPPORT TASK) FLOOR SUPPORT BETWEEN STA 294 TO 312 RBL 10 HAS CORROSION ON UPPER SURFACE. TRANSCRIBED FROM HAECO GSO NR 9286609 EVALUATED FLOOR SUPPORT BETW STA 294 TO 312 RBL10, ORIGINAL MATERIAL 0.080 REMAINING MATERIAL 0.050 MATERIAL LOSS 0.030. FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-10-51. ALLOWABLE DAMGED SECTION 41 FIG. 105 DETAIL C SHEET 1 TOOL NO. T8493Q DIAL GAUGE, CAL DUE DATE 02/JAN/2026 AND REMOVED AND REPLACED FLOOR SUPPORT IAW B737 DWG NO. 141A5410 AND SRM 51-40-02 AND 51-40-05 SFR DATA ADDED