Service difficulty report · Intercostal · Boeing 737

Difficulty date
August 8, 2022
Submitted
August 30, 2022
Operation
Air carrier
Aircraft
N8647A
Make and model
Boeing 737
Aircraft serial
42528
Aircraft time
27,244 hours, 12,560 cycles
Part
Intercostal
Condition
Cracked
Location
Fwd Fuselage
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

FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL CRACKED @ UPPER CAP LBL13 BETWEEN. STA 360 AND 400 MKD DOT / [01] REMOVED CRACKED INTERCOSTAL UPPER CHORD FROM FWD CABIN WET AREA FLOOR SUPPORT LBL 13 BETWEEN STA 380 AND STA 400 AS PER REFERENCE SRM 51-40-02-0G-0.;[02] VERIFIED STEP 1.;[03] LOCATED AND DRILLED HOLES ON NEW INTERCOSTAL UPPER CHORD AS PER REFERENCE SRM 51-40-05-0G-0.;[04] VERIFIED STEP 3. OK TO TREAT AND PRIMER.;[05] TREATED AND PRIMED NEW DRILLED HOLES AS PER REFERENCE AMM 51-21-41-370-803 AND AMM 51-21-72-370-804.;[06] VERIFIED STEP 5. OK TO INSTALL.;[07] INSTALLED NEW INTERCOSTAL CHORD AT FWD CABIN FLOOR SUPPORT LBL 13 BETWEEN STA 380 AND STA 400 AS PER REFERENCE SRM 51-40-02-0G-0 AND DWG# 143A5410.<BR><BR>JOB PERFORMED BY NOE ORTEGA 8426.;[08] VERIFIED STEP 7.;[09] C/W