Service difficulty report · Intercostal · Boeing 737752

Difficulty date
August 17, 2023
Submitted
September 6, 2023
Operation
Air carrier
Aircraft
N7886A
Make and model
Boeing 737752
Aircraft serial
35122
Aircraft time
52,212 hours, 27,316 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

CRACKED INTERCOSTAL AT FWD CABIN BS344+6 BL0 WL208.<[01] REMOVED CRACKED INTERCOSTAL AT FWD CABIN BS344+6 BL0 WL208 <BR>PER <BR>SRM 51-40-02-0G-0-A00729 (GENERAL - FASTENER INSTALLATION AND REMOVAL - AIRFRAME - PERMANENT);[02] VERIFIED ACTION 1.;[03] UPDATE STEPS 2-4;[04] VERIFIED ACTION 3.;[05] VERIFIED STEPS 1;2;3;4 OK TO INSTALL GIVEN.;[06] COMPLETED STEP 3;[07] VERIFIED ACTION 6;[08] FOUND NO LIMITATIONS FOR CRACKS IN SRM; REMOVED AND REPLACED INTERCOSTAL BL0; BS 340-360 PER SRM 51-40-02.;[09] VERIFIED ACTION 8.;[10] CORRECTED MEASUREMENT FIELD.;[11] COMPLETE;;[12] EDITIED MEASUREMENT TABLE;[13] VERIFIED;[14] VERIFIED CORRECTIVE ACTION 8. INTERCOSTAL REPLACED PER SRM 51-40-02 AND DWG 141A5400