Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
June 24, 2024
Submitted
August 5, 2024
Operation
Air carrier
Aircraft
N481WN
Make and model
Boeing 7377H4
Aircraft serial
29853
Aircraft time
66,500 hours, 39,674 cycles
Part
Floor Support
Condition
Cracked
Location
Zone 100
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

AFT OF FWD CARGO COMPARTMENT INTERCOSTAL SUPPORT CRACKED @ AFT END BETWEEN STA 500D AND 520 S-25R<[01] REMOVED FWD CARGO COMPARTMENT INTERCOSTAL SUPPORT BETWEEN STA 500D AND 520 S-25R PER SRM 51-40-02-0G-0; ACCOMPLISHED HEAT TREATMENT OF FABRICATED PART PER OP 84; TYPE: PL; 143A9803-58; LOCATED AND DRILLED NEW INTERCOSTAL SUPPORT PER SRM 51-40-05-0G-0; TREATED AND PRIMED NEW INTERCOSTAL SUPPORT PER SRM 51-20-01-0G-0; INSTALLED NEW FWD CARGO COMPARTMENT INTERCOSTAL SUPPORT PER SRM 51-40-02-0G-0; DWG 143A9801.;[02] VERIFIED STEP:1

More about the Boeing 737-7H4