Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date
June 22, 2020
Submitted
August 25, 2021
Operation
Air carrier
Aircraft
N478WN
Make and model
Boeing 7377H4
Aircraft serial
33989
Aircraft time
55,249 hours, 32,699 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 400-500d
Stage of operation
IN
How discovered
V
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

LOWER FUSELAGE FWD CARGO COMPARTMENT LT FLOOR SUPPORT Z ANGLE; LBL 24; STA 400TO STA 500D; HAS SEVERAL SPOTS OF CORR. THRU ALL 184'. MARKED 99-21 / REMOVED CORROSION ON FWD CARGO COMP L/H SIDE ' Z ' ANGLE FROM STA 400 THRU 500C PER B737-700 SRM 51-10-02-0G-2 FOUND AREA WITHIN LIMITS PER SRM 53-00-53-1A-2; STA 500C THRU STA 500D FOUND OUT OFLIMITS AND REPAIRED PER SRM 53-00-53-2R-5 TREAT AND PRIMED REWORKED AREA AND REPAIR PER SRM 51-20-01-0G-0 AND AMM 51-21-72-370-804

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