Service difficulty report · Rib · Boeing 7378H4

Difficulty date
August 29, 2023
Submitted
October 3, 2023
Operation
Air carrier
Aircraft
N8550Q
Make and model
Boeing 7378H4
Aircraft serial
63579
Aircraft time
19,170 hours, 9,590 cycles
Part
Rib
Part number
UNKNOWN
Condition
Worn
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

R/H WING T/E DEFLECTION CONTROL RIB UPPER FLANGE AND UPPER PANEL RIB ARE WORN FROM ATTACH BOLTS LOOSE AND WORKING. MRKD<[01] REMOVED LARGE AND SMALL SERRATED PLATES.;[02] REJECT: CORRECTIVE ACTION #1 DOES NOT CONTAIN A REFERENCE USED FOR THE WORKED PERFORMED AS REQUIRED PER MPM 51.03.01. SEE FAULT TTG8Q00NBACA FOR REJECT.;[03] REMOVED INBOARD AND OUTBOARD SERRATED PLATES PER SRM 51-40-02.;[04] REMOVED DAMAGE ON DEFLECTION CONTROL RIB UPPER TAB PER SRM 51-10-02 AND SRM 57-51-02-2R-4.;[05] VERIFIED CORRECTION FOR C/A #2 REJECTION. CORRECTION IS MADE IN C/A#3.;[06] ACCOMPLISHED HFEC HOLE PROBE AND SURFACE INSPECTION PER NDT PART 6 51-00-00 PROC. 16 AND PROC. 23 NO DEFECTS NOTED;[07] RH REPAIR DOUBLER SENT OUT TO ADVANTAGE AVIATION FOR HEAT TREAT<BR>AND CAD PLATE;[08] REF: SRM 57-51-02-2R4-4 FOR REPAIR DOUBLER;[09] C/W INSPECTION.;[10] LOCATED AND DRILLED REPAIR PARTS PER SRM 57-51-020-2R-4 AND 57-51-02-2R-1.;[11] C/W INSPECTION OF LOCATED AND DRILLED REPAIR PARTS PER SRM 57-51-020-2R-4 AND 57-51-02-2R-1.;[12] ALODINED AND PRIMED REPAIR PARTS PER SRM 51-20-01. OK TO INSTALL REPAIR PARTS PER SRM?S 57-51-02-2R-1 & 57-51-02-2R-4;[13] OK TO INSTALL REPAIR PARTS PER SRM?S 57-51-02-2R-1 & 57-51-02-2R-4;[14] INSTALLED REPAIR PARTS PER SRM?S 57-51-02-2R-1 & 57-51-02-2R-4;[15] VERIFIED 14. GREGORY BAXTER (TECHNICIAN); 18-SEP-2023 17:24 UTC<BR>INSTALLED REPAIR PARTS PER SRM?S 57-51-02-2R-1 & 57-51-02-2R-4;[16] REPAIRED PER SRM?S 57-51-02-2R-1 & 57-51-02-2R-4

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