SDR DALA14014405649

Service difficulty report · Floor Support · Boeing 757251

Difficulty date: March 2, 2014
Submitted: March 4, 2014
Operation: Air carrier
Aircraft: N549US
Make and model: Boeing 757251
Aircraft serial: 26496
Aircraft time: 53,706 hours, 20,630 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 720-740
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

FLOOR SUPPORT CORRODED BETWEEN BS 720-740, RBL 64. REMOVED CORROSION, COMPLIED WITH UT INSPECTION TO AREA IAW NDTM PART 4, 51-00-10. FOUND OUT OF LIMITS IAW SRM 53-00-51, FIG 101. REMOVED DAMAGE FLOOR SUPPORT. FABRICATED NEW FLOOR SUPPORT IAW SRM 51-40-02 PARA 4 & PARA 7, 51-30-01 PARA 8, 51-20-01 PARA 2 & FIG 1. AMM 51-21-00-377-001 AND DWG 143 N5410 REV 2 & F.