Service difficulty report · Skin · Doug MD88

Difficulty date
March 26, 2016
Submitted
March 28, 2016
Operation
Air carrier
Aircraft
N934DL
Make and model
Doug MD88
Aircraft serial
49721
Aircraft time
70,941 hours, 53,461 cycles
Part
Skin
Condition
Damaged
Location
Bs 750-769
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

LIGHTNING STRIKE ON WINDOW FRAME BETWEEN BS 750 TO 769 AND LONGERONS 12RT TO 13RT. REWORKED AREAS WERE MEASURED, UT WAS ACCOMPLISHED IAW NDT SPM 04-00-07, PAR 5, FIG 3, SHEET 1 AND 2. BLEND OUTS ON ZONE CRITICAL, THE ORIGINAL THICKNESS ON BLEND OUT 1 IS .086" AND REMAINING THICKNESS .083" THE ORIGINAL THICKNESS BLEND OUT, 2 IS .085" AND REMAINING THICKNESS .082", THE ORIGINAL THICKNESS BLEND OUT 3 IS .085" AND REMAINING THICKNESS .082" THE ORIGINAL THICKNESS ON BLEND OUT 5 IS .086" AND REMAINING THICKNESS .082", THEREFORE ALL AREAS ARE WITHIN OF LIMITS IAW ER/A 545081-14, REV ORIGINAL HFEC INSPECTION WITHIN EVERY 24 MONTHS AFTER SECTION I UNTIL SECTION III IS ACCOMPLISHED.

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