Service difficulty report · Stiffener · Boeing 737*

Difficulty date
February 2, 2022
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 737*
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
Stiffener
Condition
Cracked
Location
Aft Cargo
Stage of operation
UK
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

CRACKED STIFFENER BEHIND WATER SERVICE PANEL AT ACB BS918 RBL11. / [01] EVALUATED CRACKED STIFFENER; BS 918 RBL 11 WL 170; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-0-2-0G-0;[02] UPDATED MEASUREMENT FIELD;[03] VERIFIED CORRECTIVE ACTION ENTRY 1.;[04] REMOVED CRACKED STIFFENER BEHIND WATER SERVICE PANEL AT BS 918; RBL 11. PER SRM 51-40-02-0G-0;[05] LOCATED AND DRILLED NEW STIFFENER BEHIND WATER SERVICE PANEL AT ACB BS 918; RBL 11. PER AIPC 52-49-00-02 AND SRM 51-40-05-0G-0. OK TO INSTALL.;[06] VERIFIED CORRECTIVE ACTION #4 AND 5;[07] SEALED AND INSTALLED NEW STIFFENER BEHIND WATER SERVICE PANEL AT ACB BS918; RBL11. PER AIPC 52-49-00-02; AMM 51-31-00-390-801; AND SRM 51-40-02-0G-0;[08] VERIFIED CORRECTIVE ACTION 7;[09] VERIFIED JOB COMPLETE