SDR 2021F00238

Service difficulty report · Acoustic Panel · Boeing 737800*

Difficulty date
September 10, 2021
Submitted
October 14, 2021
Operation
General aviation
Make and model
Boeing 737800*
Aircraft serial
39945
Aircraft time
27,958 hours, 10,321 cycles
Part
Acoustic Panel
Condition
Damaged
Location
Thrust Reverser
Stage of operation
IN
How discovered
V
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

CRACK ON RH ENGINE OUTBD THRUST REVERSER INNER ACUSTIC PANEL, DURING TRANSIT CHECK, IT WAS DETECTED A CRACK ON RH ENGINE OUTBOARD THRUST REVERSER INNER ACOUSTIC PANEL. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING 2 CRACKS OF 0.750" AND 0.500" ON RH ENGINE 2 OUTBOARD THRUST REVERSER INNER ACOUSTIC PANEL TRAILING EDGE AT 2:00 HRS POSITION AND RIVET SHEARED ON RIGHT ENGINE EXHAUST DUCT AT 11:00 HRS POSITION, THE ACOUSTIC PANEL WAS REPAIRED IAW SRM 51-70-05, REPAIR 6 AND SRM 54-30-01, REPAIR 1; ULTRASONIC AND TAP TEST INSPECTIONS ON REWORKED AND SURROUNDINGS AREAS WERE PERFORMED IAW B737 NDTM PART 4, 51-00-02 AND PART 1, 51-05-01; REPAIRED AREAS WERE PAINTED IAW SRM 51-70-05, REPAIR 1, PARAGRAPH 4.0, REPAIR GENERAL; RIVET WAS REPLACED IAW SRM 51-40-02, PARAGRAPH 4.B, ALL CORRECT.

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