Service difficulty report · Window Post · Boeing 737824

Difficulty date
February 13, 2019
Submitted
February 17, 2019
Operation
Air carrier
Aircraft
N37252
Make and model
Boeing 737824
Aircraft serial
30583
Aircraft time
59,741 hours, 21,721 cycles
Part
Window Post
Part number
141A8800
Condition
Cracked
Location
Cockpit
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

R1 FO''S WINDOW POST, RT SIDE, CRACKED IN THE UPPER CORNER. PERFORMED HFEC OF R2 WINDOW FRAME AT OUTBD UPPER CORNER PER 737 NDT /NTM 51-00-00-23. FOUND POSITIVE CRACK INDICATION AT SUSPECT LOCATION. REMOVING L1,L4,L5,R1,R4,R5 WINDOWS REMOVED TO FOM. PARTIALLY REMOVED GLARESHIELD AND CAPTS SIDE OVHD PANEL TO F.O.M . REMOVED R1 WINDOW,REF 737 AMM 56-11-11-000-801. REMOVED R4,R5, BLANKING PLATES. REF 737 AMM 56-11-41-000-801C2. PER AVO ESC190209-252-1, PERFORMED PART B, STEPS 3&4, OF CRACK ON RI WIN POST, CRACK IS .925"LONG, 2.32"FROM TOP, DIAGRAM SENT ENGINEERING. TO ENGINEERING, CLASSFIED CRACK AS CONDITION ONE. NEED REPAIR BY CRACK CORRECTION RT SIDE IS 1.18" LONG AND 2.15" FORM THE TOP. PERFORMED HFEC IAW PART 6 51-00-00 PROC 23 AND DETAILED INSPECTI 209-252-1 STEP B3&4 AND STEP C 1A AS THE RESULT OF INSP WITH NO OTHER CRACKS OR DAMAGE NOTED AT THIS TIME ON OF AREA, CRACK DETERMINED TO BE A SHORT CRACK PER AVO ESC 190 -0252-1 SEPERATED NUMBER 1 AND NUMBER 2 WINDOW FRAMES REF AVO# ESC190210 CUT WINDOW FRAME 1 AND RETAINED CRES SHIM FOR INSPECTION REF AVO #190210-0252-1 INFO CORRECTION SHOULD READ AVO ESC190210-0252-2 CUT WINDOW FRAME 1 AND RETAINED CRES SHIM FOR INSPECTION REF AVO# ESC190210-0252-2 INSPECTED CRES SHIM PER AVO, NO PENETRATION NOTED COMPLIED WITH STEPS 1THRU 21 OF AVO# ESC190210-0252-2 VERIFIED RII WORK PERFORMED STEPS 1 THRU 21 PER AVO ESC190210-02 52-2 OK TO INSTALL DOUBLE/TRIPLER COMPLIED WITH STEP C OF AVO# ESC 190210-0252-2 COMPLIED WITH STEP D 22