Service difficulty report · Fastener · Boeing 7377H4

Difficulty date
June 21, 2022
Submitted
July 25, 2022
Operation
Air carrier
Aircraft
N478WN
Make and model
Boeing 7377H4
Aircraft serial
33989
Aircraft time
60,197 hours, 35,659 cycles
Part
Fastener
Condition
Missing
Location
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

CABIN FLOOR INTERCOSTAL FWD SIDE OF BS 380 BL 0 MISSING 5 FASTENERS. 8-52 CORRECT LOCATION IS: BS 400. / [01] CORRECTING STA : STATION IS 380 TO 400;[02] STEP 1 CORRECT LOCATION IS STA 400; BL 0.;[03] INSTALLED MISSING FASTENERS AT CABIN FLOOR INTERCOSTAL FWD. SIDE OF STA. 400 BL 0 AS PER B-737-700 SRM. 51-40-02-0G-0; DWG #143A5400;[04] VERIFIED 1-3.

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