Service difficulty report · Intercostal · Boeing 737752

Difficulty date
August 1, 2022
Submitted
August 29, 2022
Operation
Air carrier
Aircraft
N7848A
Make and model
Boeing 737752
Aircraft serial
34298
Aircraft time
48,870 hours, 27,337 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 @ RBL 17 BETWEEN. STA 312 AND 328 MKD DOT / [01] REMOVED FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL CRACKED @ RBL 17 BETWEEN. STA 312 AND 328 IAW 737-700 AMM 51-40-02-0G-0;[02] REMOVED FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL CRACKED @ RBL 17 BETWEEN. STA 312 AND 328 IAW 737-700 SRM 51-40-02-0G-0;[03] VERIFIED 2;[04] LOCATED AND DRILLED NEW FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL CRACKED @ RBL 17 BETWEEN. STA 312 AND 328 IAW 737-700 SRM 51-40-05-0G-0;[05] VERIFIED STEP 4; OK TO TREAT AND PRIME HOLE LOCATIONS;[06] TREATED AND PRIMED DRILLED HOLES ON FLOOR SUPPORT INTERCOSTAL AS PER B737-700 AMM 51-21-41-370-803 AND 51-21-72-370-804;[07] VERIFIED STEP 6; OK TO INSTALL NEW INTERCOSTAL;[08] INSTALLED NEW INTERCOASTAL AT FWD CABIN WET AREA FLOOR SUPPORT @ RBL 17 BETWEEN. STA 312 AND 328 IAW 737-700 SRM 51-40-02-0G-0;[09] VERIFIED 8