Service difficulty report · Girt Bar · Boeing 7377H4

Difficulty date
April 11, 2023
Submitted
May 17, 2023
Operation
Air carrier
Aircraft
N958WN
Make and model
Boeing 7377H4
Aircraft serial
36673
Aircraft time
38,993 hours, 23,664 cycles
Part
Girt Bar
Condition
Corroded
Location
Zn 200 Fus Top
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

FOUND CORROSION ON L/H GIRT BAR FITTING AFT MOUNTING BRACKET FASTENER HOLE BS 986 WL 208 LBL 43<OUT OF LIMITS PER B737-700 SRM 53-70-51-2R-6 REPAIR 6.REMOVED CORROSION DAMAGE AREA PER B737-700 SRM 53-70-51-2R-6 REPAIR 6; FIGURE 6. REQUIRE DETAIL INSPECTION ON TOP AND BOTTON SURFACE OF THE UPPER CHORD IN THE DAMEGE AREA.;[06] REQUIRE HFEC ON THE CUTOUT EDGES TO MAKE SURE IS FREE OF CRACKS AND DO A OPEN HOLE INSPECTION (HFEC) OF ALL INITIAL FASTENERS HOLES IN THE REPAIR AREA MAKE SURE NO DAMAGE. CERTIFY; DAMAGE REMOVAL. ACCOMPLISHED <BR>EQUIPMENT USED N600 ATS1465 DUE 09/2023. VERIFY MATERIAL ID FOR FLOOR BEAM REPAIR FELLER BAC1505-101474 7075-T6 LOT# 1505572-1; L-ANGLE BAC1490-2887 7075-T6-C LOT# 1501184-1 AND STRAP 7075T6#0.100 LOT# 1517301-2. FABRICATED REPAIR PARTS FILLER; L-ANGLE; STRAP AND LOCATED AND DRILLED NEW REPAIR PARTS; APPLIED A CHEMICAL CONVERSION COATING ON REPAIR PARTS PER B737-700 SRM 53-70-51-2R-6 REPAIR 6FLAPPED PEEN THE CUTOUT EDGE AND BLEND OUT AREA PER B737-700 SRM 52-70-51-2R-6 REPAIR 6. PRIMED REPAIR PARTS FILLER; STRAP AND L-ANGLE PER B737-700 SRM 53-70-51-2R-6 REPAIR 6. FROM STEP 4.L. TREATED AND PRIMED CUTOUT AREA AND BLEND OUT AREA PER B737-700 SRM 53-70-51-2R-6 REPAIR 6. INSTALLED REPAIR PARTS AT BS 986 WL 208 LBL43 PER B737-700 SRM 52-70-51-2R-6 REPAIR 6.CARD COMPLETE

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