Service difficulty report · Tail Cone · Boeing 7378H4

Difficulty date
May 15, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N8690A
Make and model
Boeing 7378H4
Aircraft serial
36916
Aircraft time
20,154 hours, 9,318 cycles
Part
Tail Cone
Part number
543AB
Condition
Cracked
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

#2 FLAP TRACK AFT FAIRING TAIL CONE 543EB CRACKED ON THE LOWER SIDE (MARKED) / [01] EVALUATED AND FOUND CRACK ON LWR SIDE AS MARKED. NO DAMAGE TO CORE. FOUND TO BE REPAIRABLE IAW SRM 57-53-70-2R-1 TABLE 201 AND SRM 51-70-05-2R-1 PRE-PREG.<BR><BR>CLEANED AND PREPPED IAW SRM 51-70-05-2R-1 STEP 4 A-B.;[02] BONDED REPAIR IAW SRM 51-70-05-2R-1 STEP 4 C-F. CURED AT 260 DEGREES FOR 120 MINUTES (AAR 34053 EXP 10-5-22). FABRIC (A109670); ADHESIVE FILM (A68274). TAP TEST GOOD.<BR><BR>REQUESTING OK TO PAINT;[03] VERIFIED STEPS 1-2 AND OK TO PAINT;[04] APPLIED DECORATIVE FINISH IAW AMM 51-21-99-300-801 TABLE 701. PAINT (A99201);[05] REPAIRED AND APPLIED DECORATIVE FINISH ON #2 FLAP TRACK AFT FAIRING TAIL CONE 543EB THAT WAS CRACKED ON LWR SIDE IAW SRM 51-70-05-2R-1; SRM 51-70-05-2R-0 REPAIR GENERAL AND AMM 51-21-99-300-801.;[06] VERIFIED STEPS 4-5

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