Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
March 7, 2023
Submitted
April 12, 2023
Operation
Air carrier
Aircraft
N443WN
Make and model
Boeing 7377H4
Aircraft serial
29838
Aircraft time
65,630 hours, 38,789 cycles
Part
Floor Support
Condition
Corroded
Location
Zn 100 Fus Lower
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 CARGO DOOR CUTOUT CORROSION AT FLOOR SUPPORT LOWER STRAP RBL 20' BETWEEN STA 827-847 AFT CARGO DOOR CUTOUT CORROSION AT FLOOR SUPPORT LOWER STRAP RBL 21.5' BETWEEN STA 827+7.5'<[01] REMOVED CORROSION FROM AFT CARGO DOOR CUTOUT AT FLOOR SUPPORT LOWER STRAP RBL 20' BETWEEN STA 827-847 PER B 737-700 SRM 51-10-02-0G-0.;[02] STEP 1 ENTERED IN ERROR.;[03] REMOVED AND REPLACED AFT CARGO DOOR CUTOUT FLOOR SUPPORT LOWER STRAP AT RBL 20 FROM STA 827-847 PER SRM 51-40-02-0G-0.;[04] VERIFIED STEP 3

More about the Boeing 737-7H4