Service difficulty report · Rib · Boeing 7378H4

Difficulty date
November 9, 2023
Submitted
December 11, 2023
Operation
Air carrier
Aircraft
N8619F
Make and model
Boeing 7378H4
Aircraft serial
33939
Aircraft time
34,424 hours, 16,159 cycles
Part
Rib
Part number
UNKNOWN
Condition
Elongated
Location
Zn 600 Right Win
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

RIGHT WING INBD TRAILING EDGE FLAP DEFLECTION CONTROL RIB ATTACHMENT TAB HAS 2EA ELONGATED FASTENER HOLES.<REMOVED 2EA ATTACH BOLTS. FOUND TO BE OUT OF LIMITS PER SRM 57-51-02-1A-1.;[02] REMOVED INBOARD AND OUTBOARD SERRATED PLATES PER SRM 51-40-02. CUT OUT DAMAGED SECTION OF DEFLECTION RIB UPPER TAB PER SRM 57-51-02-2R-4. C/W NDT INSP. PER PART 6 51-00-00 PROCEDURE 23 AND PART 6 51-00-00 PROCEDURE 16. NO DEFECTS. REMOVED DAMAGE ON WING FIXED TRAILING EDGE SUPPORT BEAM PER SRM 57-51-02-2R-1 REPAIR1 ITEM4.- REMOVED DAMAGE ON WING FIXED TRAILING EDGE SUPPORT BEAM PER SRM 57-51-02-2R-1 REPAIR1 ITEM4.-1 OUTBOARD REPAIR DOUBLER FABRICATED; HEAT TREATED AND BRUSH CADMIUM PLATED BY VENDER PER SRM 57-51-02-2R-4. PO#P7870567; WORK ORDER #MS55879.1 OUTBOARD REPAIR DOUBLER FABRICATED; HEAT TREATED AND BRUSH CADMIUM PLATED BY VENDOR PER SRM 57-51-02-2R-4. PO #P7870565; WORK ORDER #MS55878. PARTS DATA UPDATE ONLY FABRICATED FILLER AND MATCH DRILLED REPAIR PARTS PER SRM 57-51-02-2R-4. & SRM 57-51-02-2R-4.S; VERIFIED THE FABRICATION AND MATCH DRILLING OF REPAIR PARTS PER SRM 57-51-02-2R-4.NO DEFECT.INSTALLED REPAIR PER SRM 57-51-02-2R-4. AND SRM 57-51-02-2R-1 VERIFIED THE INSTALLATION OF REPAIR PER SRM 57-51-02-2R-4. AND SRM 57-51-02-2R-1.NO DEFECT.(RII);INSTALLED REPAIR PER SRM 57-51-02-2R-4. AND SRM 57-51-02-2R-1. SEE ATTACHED SIGN OFFS FOR ALL WORK PERFORMED

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