Service difficulty report · Stiffener · Boeing 737

Difficulty date
November 3, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N776WN
Make and model
Boeing 737
Aircraft serial
30591
Aircraft time
68,765 hours, 40,619 cycles
Part
Stiffener
Condition
Cracked
Location
Wheel Well
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

SUPPLEMENTAL INFORMATION: STIFFENER CRACKED @ WHEEL WELL FWD VERTICAL BULKHEAD LOWER AT STA 663.75 RBL 25 MKD DOT ; / [01] CRACK CONFIRMED IAW NDTM PART 6 ;51-00-00 PROCEDURE 23. CRACK LENGTH: 1.496'<BR>[NORTEC 600 ; B/C 166317 ; CALIB.DUE-10/22]; [02] REMOVED FAIRING PANEL #193AR LWR. CENTER AREA FOR ACCESS AREA WORK; AS PER SRM. 51-40-01-0G-0-A00767.; [03] VERIFIED STEP 2; [04] REMOVED DAMAGE STIFFENER AT WHEEL WELL STA 663.75 IN REF SRM 51-40-02; [05] VERIFIED STEP 4; [06] RECIVED; LOCATED AND DRILL HOLES IN NEW STIFFENER AS PER SRM. 51-20-07-0G-0.; [07] VERIFIED STEP 6; [08] OK TO INSTALL NEW STIFFENER AT W/W STA663.75; [09] INSTALLED NEW STIFFENER AT WHEEL WELL STA 663.75IN REF SRM 51-40-02; [10] VERIFIED STEP 9<BR>OK TO INSTALL FAIRING PANEL 193AR; [11] INSTALLED WING TO BODY FAIRING 193AR AS PER AMM 53-51-21-400-802; [12] VERIFIED STEP 11