SDR ASAA2018082815929

Service difficulty report · Transition Panel · Boeing 737990

Difficulty date: August 21, 2018
Submitted: August 28, 2018
Operation: Air carrier
Aircraft: N306AS
Make and model: Boeing 737990
Aircraft serial: 30014
Aircraft time: 60,901 hours, 24,029 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Part number: 146A750218
Condition: Damaged
Location: Bs 727c-727f
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

AFT CARGO TRANSITION PANEL NUTPLATE HOLES BS 727D - 727E WERE ELONGATED. ACFT GROUNDED. REAMED DAMAGED HOLES IAW DWG 146A7502. AFTER MAX ALLOWABLE HOLE REMAINING .2540 DAMAGE WAS STILL PRESENT, OUT OF LIMITS IAW DWG 146A7502, REV. REMOVED AND REPLACE THE DAMAGED SECTION OF THE TRANSITION PANEL IAW DWG 146A7500 REV-, SRM 53-00-53-2R-5, SRM 51-40-02, AND AMM 51-21-99.