Service difficulty report · Window Frame · Boeing 737*

Difficulty date
March 13, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N15751
Make and model
Boeing 737*
Aircraft serial
29047
Aircraft time
71,241 hours, 28,683 cycles
Part
Window Frame
Part number
NA
Condition
Cracked
Location
R3 Window
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

SUSPECT CRACK IN R3 WINDOW FRAME ON FWD. SIDE 2ND FASTENER FROM BOTTOM PERFORMED HFEC SURFACE INSPECTION OF L3 WINDOW FRAME AT SECOND FASTENER HOLE FROM THE BOTTOM OF FWD FRAME EDGE AND VERIFIED CRACK EMINATING AFT .200 FROM FASTENER EDGE. REF 737 NTM PART 6-51-00-00 PROCEDURE 23. VERIFIED ACCOMPLISHMENT OF PART 1, PARG. B. STEPS 2 (FIGURE4) & STEP 4 (FIGURE 6) OF ECRA 5611-01314 REV. B. WINDOW POST NEEDS INSPECTED PER FIGURE 6. ACCOMPLISHED PART 1, PARG. B. STEPS 2 (FIGURE4) & STEP 4 (FIGURE 6) OF ECRA 5611-01314 REV. B. WINDOW POST NEEDS INSPECTED PER FIGURE 6. VERIFIED COMPLETION OF ECRA 5611-01314 REV B. PART 1.B.6. OK TO INSTALL DOUBLER REF. ECRA 5611-01314 REV.B. PART.1.C AND VERIFIED DOUBLER INSTALLED PER ECRA 5611-01314 REV.B PART 1.C.2. FIG.12. REINSTALLED E-F POST FASTENERS PER ECRA 5611-01314 REV B. PART DRILLED INTERNAL DOUBLER PER ECRA 5611-01314 REV.B. PART.1.C AND INSTALLED INTERNAL REPAIR DOUBLER PER ECRA 5611-01314 REV.B PART 1.B.6. FIG.12. OK TO INSTALL.. 1.C.2.