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 @ FASTENERS HOLES BL-0 BETWEEN. STA 344 AND 360 MKD DOT / [01] REMOVED FWD CABIN WET AREA FLOOR SUPPOT INTERCOSTAL @ FASTENERS HOLES BL-0 BETWEEN STA 344 AND 360 IAW B-737-800 SRM 53-10-51-0I-2;[02] LOCATED AND DRILLED NEW FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL AS PER REFERENCE SRM 51-40-05-0G-0.;[03] VERIFIED STEPS 1 AND 2. OK TO TREAT AND PRIMER.;[04] TREATED AND PRIMED DRILLED NEW HOLES AS PER AMM 51-21-41-370-803 AND AMM 51-21-72-370-803.;[05] CORRECTION OF STEP 4. TREATED AND PRIMED NEW DRILLED HOLES AS PER AMM 51-21-41-370-803 AND AMM 51-21-72-370-803.;[06] VERIFIED STEPS 4 AND 5.;[07] OK TO INSTALL.;[08] INSTALLED NEW INTERCOSTAL AT FWD CABIN WET AREA AT BL-0 BETWEEN STA 344 AND STA 360 AS PER REFERENCE SRM 51-40-02-0G-0.<BR><BR>JOB PERFORMED BY ARIEL JIMENEZ 35462;[09] VERIFIED STEP 8.;[10] C/W