Service difficulty report · Window · Boeing 737924

Difficulty date
October 17, 2019
Submitted
October 18, 2019
Operation
Air carrier
Aircraft
N32404
Make and model
Boeing 737924
Aircraft serial
30121
Aircraft time
55,997 hours, 22,798 cycles
Part
Window
Part number
141A8811
Condition
Cracked
Location
R1
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

COCKPIT WINDOW R 1 HAS A CRACK ON THE UPPER RT CORNER. INSPECTED IAW 737 NDT PART 6 51-00-00 PROC. 23. 56-11-41-000-801C2. REMOVED RH 4 & 5 WINDOW BLANKS FOR EASE OF MAINTENANCE. REF AMM REPEAT LOG. REF LOG PAGE 3553793 FOR REMOVAL OF WINDOW BLANKS COMPLIED WITH AVO# ESC191014-0404-1 PARAGRAPH A STEPS 1-6; PARAGRAPH B STEPS 1-2; AND VERIFIED CRACK AS .300" LONG WHICH MEETS CRACK CONDITION 1 REF FIG 12 PER PARAGRAPH C STEP1. NOTIFIED ESC AND AWAITING DISPOSITION VERIFIED COMPLETION OF AVO# ESC191014-0404-1 STEP A STEPS 1-6. PERFORMED HFEC AND DETAILED INSPECTION PER STEP B 1 AND 2, CRACK LENGTH .300". CRACK CONDITION 1 PER STEP C. 1. A. COMPLETED STEPS A.1 (REMOVE FASTENERS IN WINDOW SILL PANEL) AND REF. FIGURE 13) REF. AVO# ESC191014-0404-2. STEP A.2 (SEPERATE WINDOW FRAMES) AND STEP B.1(CUT WINDOW FRAME VERIFIED COMPLETION OF STEPS A. 1, A. 2 AND B. 1. OF AVO# ESC191014-0404-2. PER AVO ESC191014-0404-2 STEP C.REINSTALLED FASTENERS AND CLOSE D #2 WINDOW TO ENSURE FASTENER CLEARANCE. C/W RII INSP OF STEP "C" OF AVO ESC191014-0404-2 COMPLETED STEPS 1-20, FIG. 24 OF AVO#191014-0404-2. . VERIFIED COMPLITION STEPS 1-20 ,FIG.24 OF AVO# ESC191014-0404-2 COMPLETED STEP 21,(INSTALLED COUNTERSUNK REPAIR WASHERS), FIG. 24 REF. AVO# ESC191014-0404-2. OK TO INSTALL REPAIR PARTS REF. FIG. 24. PART PER FIG.24. FIG 24 PER AVO# ESC191014-0404-2 . I GIVE OK TO INSTALL REPAIRS VERIFIED INSTALLATION COUNTERSUNK REPAIRS WASHER PER STEP 21 ON REF. AVO#ESC191014-0404-2 COMPLETED STEP D.1(INST