Service difficulty report · Scuff Plate · Boeing 73779P

Difficulty date
September 12, 2023
Submitted
September 21, 2023
Operation
Air carrier
Aircraft
N7826B
Make and model
Boeing 73779P
Aircraft serial
30035
Aircraft time
56,002 hours, 37,056 cycles
Part
Scuff Plate
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

AFT CARGO BAY AFT CORNER SCUFF PLATE IS CRACKED<[01] WELDED AFT CARGO BAY AFT CORNER SCUFF PLATE PER SRM 53-60-15-2R-1 PARAGRAPH 4.B. (2); (4); (5) USING ER4043 FILLER ROD LOT NUMBER 1131216<BR>EQUIPMENT USED ; WELDING MACHINE E10583 CALIBRATION DUE DATE 01/2024;[02] REJECTION OF STEP 4: WELD DOES NOT MEET 125 RA SURFACE FINISH PER SRM 53-60-15-2R-1 STEP 4.B.(5). SEE TTG8Q00NDFT1;[03] COMPLETE REPAIR ON AFT CARGO BAY AFT CORNER SCUFF PLATE. IAW SRM 53-60-15-2R-1.;[04] VERIFIED CORRECTIVE ACTION COMPLETE AND VERIFIED MEASUREMENT TABLE COMPLETE.

More about the Boeing 737-79P