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 794.3-807 AFT CARGO DOOR CUTOUT CORROSION AT FLOOR SUPPORT LOWER STRAP RBL 22 STA 787+16<[01] REMOVED CORROSION FROM AFT CARGO DOOR CUTOUT AT FLOOR SUPPORT LOWER STRAP RBL 20' BETWEEN STA 794.3-807 PER B 737-700 SRM 51-10-02-0G-0.;[02] STEP 1 ENTERED IN ERROR.;[03] (FINAL) REMOVED AND REPLACED AFT CARGO DOOR CUTOUT FLOOR SUPPORT LOWER STRAP AT RBL 20' BETWEEN STA 794.3-807 PER B737-700 SRM 51-40-02-0G-0.;[04] REJECT DUE TO IMPROPER STATION LOCATION.;[05] OPEN FAULT HAS AN ERROR AND IS BEING CORRECTED BY GENERATING NEW FAULT (TTG8Q00K1BKD).;[06] (AMENDING STEP 5) OPEN FAULT HAS AN ERROR ON STA LOCATION VALUES AND IS BEING CORRECTED ON NEW FAULT (TTG8Q00K1BKD).;[07] VERIFIED STEP 6. LOCATION ERROR CORRECTION ON NEW FAULT TTG8Q00K1BKD.

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