Service difficulty report · Skin · Boeing 737924

Difficulty date
November 9, 2024
Submitted
November 14, 2024
Operation
Air carrier
Aircraft
N75436
Make and model
Boeing 737924
Aircraft serial
33531
Aircraft time
48,604 hours, 17,240 cycles
Part
Skin
Part number
2024T3071
Condition
Dented
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

WATER TRUCK BACKED INTO AIRCRAFT AND CAUSED DAMAGE. DENT TOTAL GOUGE LENGTH IS 2.4 INCHES. BOTH DENTS ARE FOUND TO BE OUT OF LIMITS PER SRM 53-00-01-1A-5 LOWER DENT IS 9.910 FROM REPAIR ACCOMPLISHED ON ECRA 5330-06581 LOCATION OF DAMAGE IS ON LH SIDE OF AIRCRAFT BELLY FWD OF WASTE EVALUATED DAMAGE LOCATED STA 799.5 ABOVE AND BELOW STR 25 UPPER PERFORMED DVI OF UNDERLYING STRUCTURE NO DEFECT NOTED SERVICE ACCESS DOOR. SEE ATTACHED PICTURES. DENT MEASURES 3.0 X 2.0 X 0.053. A/Y OF 37 AND SMALL GOUGE AT BOTTOM OF DENT 0.004 DEEP , LOWER DENT MEASURES 3.7 X 3.050 X 0.150 A/Y 20 WITH A 0.004 DEEP GOUGE RUNNING VERTICALLY THROUGH LOCKED FOR MAINTENANCE FERRY FOUND. PER STEP 4. VISUALLY INSPECT ALL OPEN FASTENERS HOLES COMMON TO REPAIR AREA NO DAMAGE NOTED, PER STEP 8. ALL STEPS PERFORMED PER AVO: 436-24-11-12-01. PERFORMED HFEC OF CUT OUT REF 737 PART 6 51-00-00 PROC VERIFIED MATERIAL ID PER AVO #436-24-11-12-01. 23,PERFORMED HFEC HOLE PROBE INSPECTION REF 737 PART 6 51-00-00 PROCEDURE 16, PERFORMED HFEC COUNTERSINK INSPECTION REF 737 53-00-00 PROCEDURE 4. NO CRACKS NOTED. . CUTOUT DAMAGED AREA PER SRM 51-10-02. MAPPED CUTOUT AND SENT TO PERFORM SURFACE HFEC OF TRIM EDGE OF CUTTOUT. PER NDT MANUAL. PERFORM OPEN HOLE HFEC OF REMOVED EXISTING FASTENERS PER NDT PERFORM AN HFEC COUNTERSINK INSPECTON OF INITIAL REMOVED CORRECTION TO PREVIOUS INPECTION. REFERENCE FOR HFEC COUNTERSINK REMOVED ALL FASTENERS WITHIN REPAIR AREA STEP 5.