Service difficulty report · Fairing · Boeing 7377Q8

Difficulty date
December 26, 2021
Submitted
April 26, 2022
Operation
Air carrier
Aircraft
N7865A
Make and model
Boeing 7377Q8
Aircraft serial
30647
Aircraft time
54,104 hours, 35,814 cycles
Part
Fairing
Part number
195CL
Condition
Delaminated
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

SUPPLEMENTAL INFORMATION: FAIRING 195CL HAS DELAMINATIONS OVER CORE AREA NEXT TO EDGEBAND OF PANEL SEE FAULT TTG8Q009PY4M. ; / [01] IDENTIFIED PANEL MATERIAL IAW SRM 53-40-70-0I-1 FIG 2 TABLE 2 ITEM 5. <BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-40-70-1A-1 PARA 4A(6). <BR>DAMAGE WILL BE REPAIRED IAW SRM 51-70-05-2R-1 PER SRM 53-40-70-2R-1 TABLE 201. <BR>REMOVED 4EA AREAS OF DELAMINATION OVER CORE; CLEANED REPAIR AREA IAW SRM 51-70-05-2R-1 PARA 4B.; [02] VALIDATED APPLICABILITY OF SRM 51-70-05-2R-1; [03] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1 AND 2. OKAY TO PROCEED PER SRM 51-70-05-2R-1.; [04] FABRICATED REPAIR PLIES USING BMS 8-79 ST 120 LOT#1476039-1; AND BMS 5-129 GR5 LOT#1469320-2; STARTED INSTALLING REPAIR PLIES IAW SRM 51-70-05-2R-1 PAR 4C.; [05] COMPLETED INSTALLATION OF REPAIR PLIES; VACUUM BAGGED; LEAK CHECK GOOD; CURED AND UNBAGGED IAW SRM 51-70-05-2R-1 PARA 4C-E.<BR>USED HEATCON BONDER ID:ATS532 S/N:15092117<BR>AND HEATCON BONDER ID:NCX000523 S/N:11051262; [06] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 4 AND 5. POST REPAIR UT INSPECTED PER 737NDT PART 4 51-00-02. NO DEFECTS FOUND. TOOL E650 ATS2341.; [07] REFINISHED REPAIR AREAS IAW SRM 51-70-05-2R-1 PAR 4G AND AMM 51-21-99-300-802 PAR 3C(1).<BR><BR>COMPLETED SRM REPAIR 51-70-05-2R-1.; [08] FINAL INSPECTION. JOB COMPLETE PER SRM 51-70-05-2R-1.

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