SDR DALA13067435643

Service difficulty report · Stringer · Boeing 757251

Difficulty date: December 6, 2013
Submitted: December 10, 2013
Operation: Air carrier
Aircraft: N543US
Make and model: Boeing 757251
Aircraft serial: 26490
Aircraft time: 53,928 hours, 21,433 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Dented
Location: Bs 590-660
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

ON REMOVAL OF FUSELAGE SKIN, LT BS 590-660 DISCOVERED STR 16L DENTED ON LOWER FLANGE AT STA 598-605. DENT ON STR 16L LWR FLANGE STA 598-605 MEASURED A=1.0", Y=.050" A/Y=20. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-03, ALLOWABLE DAMAGE 1, PG 2, FIGURE 101, DETAIL III. REPAIRED STR 16L FROM STA 570-612 IAW SRM 53-00-03, REPAIR 1, FIG 201 AS PERMANENT.