Service difficulty report · Angle · Boeing 7378H4

Difficulty date
November 17, 2021
Submitted
December 14, 2021
Operation
Air carrier
Aircraft
N8674B
Make and model
Boeing 7378H4
Aircraft serial
36734
Aircraft time
20,443 hours, 9,348 cycles
Part
Angle
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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

A113-86 AFT CARGO COMPARTMENT STA 747 TO STA 767 R/H Z ANGLE HAS SEVERAL AREAS OF CORROSION. ; / [01] REMOVED CORROSION IAW SRM 51-10-02-0G-0. FOUND ORIGINAL THICKNESS .040'; LOSS ..016' REMAINING MATERIAL .024' AROUND FASTENER HOLES; OUT OF LIMITS IAW SRM 53-00-53-1A-2.; [02] C/W; [03] VERIFIED MATERIAL FOR Z-ANGLE AS BAC1496-377 7075T6 ATAG A80775 IAW SRM 53-00-53-2R-5.; [04] LOCATED AND DRILLED AND FABRICATED NEW Z-ANGLE IAW SRM 53-00-53-2R-5.; [05] VERIFIED ITEMS 3 AND 4 (-1 ZEE CHANNEL SIDE PLATE AND -2 SPLICE SIDEPLATE <BR><BR>OK TO TREAT AND PRIME REPAIR PARTS; [06] TREATED AND PRIMED RH Z-ANGLE IAW AMM 51-21-72-370-804.; [07] INSPECTION CW STEP 6; OK TO INSTALL; [08] INSTALLED Z-ANGLE RH SIDE AT RBL 22 BS 727G + 10' - 767 IAW SRM 53-00-53-2R-5 REPAIR 5; AND BOEING DWG 146A7500 REV-. ID 225-226.<BR>ALL STEPS 1-8 COMPLETE.; [09] INSPECTION CW STEP 8; [10] OK TO CIC; [11] CIC RH Z-ANGLE FROM BS 727G-767 AT RBL 22; IAW AMM 51-21-91-620-802.; [12] INSPECTION CW STEP 11; [13] RII INSPECTION CW; [14] AUDIT CW; [15] CW

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