Service difficulty report · Frame · Boeing 737790

Difficulty date
August 29, 2020
Submitted
October 2, 2020
Operation
Air carrier
Aircraft
N560WN
Make and model
Boeing 737790
Aircraft serial
30542
Aircraft time
65,400 hours, 31,679 cycles
Part
Frame
Condition
Cracked
Location
Bs 400
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

SUSPECT FRAME CRACKED ON AFT SIDE AT RIVET HOLE BS 400 STR 8R. CUT-OUT DAMAGED AREA. PERFORMED HFEC INSPECTION. PERFORMED DVI AROUND DAMAGED AREA. FABRICATED FILLER, LAY OUT AND DRILLER, TRIME AND DRILLED NEW RAPAIR PART (P/N 1530809 AND P/N 1530812). TREATED AND PRIMED REPAIR PART AND INSTALLED, AS PER EA-1-A53-12114 REV 4; SRM 51-40-05-0G-0; AMM 51-21-72-370-804; NDT PART 6 51-00-00 PROC 23.