Service difficulty report · Angle · Boeing 7378H4

Difficulty date
October 27, 2022
Submitted
November 14, 2022
Operation
Air carrier
Aircraft
N8520Q
Make and model
Boeing 7378H4
Aircraft serial
42532
Aircraft time
19,499 hours, 9,300 cycles
Part
Angle
Condition
Corroded
Location
Bs 727f-807
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

THE AFT CARGO L/H TRANSITION ANGLE HAS CORROSION FROM STA 727F+10 TO 807 / LT TRANSITION ANGLE UPPER SURFACE FORM STA 727I TO STA 807; LBL 21; WAS FOUND TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-53-1A-2. REMOVED DAMAGED SECTION OF LT SIDEPLATE CHANNEL ASSEMBLY FORM STA 727H+11 TO STA 807+10; LBL 21; IAW SRM 53-00-53-2R-5.;[06] LOCATED ;DRILLED ;TREATED AND PRIME LT TRANSITION ANGLE AND REPAIR SPLICE PER SRM 53-00-53-2R-5.;[07] INSPECTED LOCATING ; DRILLING ;TREATING AND PRIMING OF L/H TRANSITION ANGLE AND REPAIR SPLICE PER SRM 53-00-53-2R-5] REMOVED; LOCATED ; DRILLED TREAT AND PRIME L/H TRANSITION ANGLE & REPAIR SPLICE PER SRM 53-00-53-2R -5;[11] REVERSION STEP 10 REMOVED; LOCATED ; DRILLED TREAT AND PRIME L/H TRANSITION ANGLE & REPAIR SPLICE AT BS 817-847 PER SRM 53-00-53-2R -5;[12] C/W INSP STEP #10 AND #11.;[13] INSTALLED RIVETS ON L/H TRANSITION ANGLE SPLICE BETWEEN STA 807 AND STA 827 PER SRM 53-00-53-2R-5. C/W INSPECTION OF L/H TRANSITION ANGLE SPLICE BETWEEN BETWEEN STA 807 AND STA 827 PER SRM 53-00-53-2R-5. INSTALLED AFT CARGO LT SIDEPLATE CHANNEL REPAIR PARTS FORM STA 727H+11 TO STA 847; LBL 21; IAW SRM 53-00-53-2R-5

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