# SDR SWAA2023050124701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2023
- Submitted: May 1, 2023
- Operation: Air carrier
- Aircraft: [N7858A](https://openairdocs.org/aircraft/N7858A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 29361
- Aircraft time: 53,310 hours, 34,766 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Strap
- Condition: Elongated
- Location: Zn 100 Fus Lower
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023050124701

## Discrepancy

AFT CARGO COMPARTMENT FLOOR AT STA 747; RBL 21; WL 156 FRAME HAS ELONGATED HOLE.<[01] REAMED UP ELONGATED HOLES ON DAMAGED FRAME AT STA. 747 PER REF. SRM 53-60-07-2R-2; FINAL HOLE DIAMETER ON UPPER HOLE 0.247' AND ON LOWER HOLE 0.247'; VENIER CALIPER USED B/C 174952; CAL DUE DATE. 15-JUL-23; FABRICATED REPAIR STRAP AND LOCATED NEW FASTENER HOLES IN REF B737-700 SRM 53-60-07-2R-2; LOCATED AND DILLED REPAIR PARTS IN REF B737-700 SRM 53-60-07-2R-2; INSTALLED HEX DRIVE BOLTS WET WITH BMS 5-95 P/N PS870B2-60Z SEALANT PER REF. SRM 53-60-07-2R-2; MIXED TIME 19:10 AND APPLIED TIME 19:12; 04/21/2023 AND INSTALLED FASTENERS ON REPAIR PART WITH BMS 5-95 P/N PS870B2-60Z SEALANT BETWEEN THE MATING SURFACES PER REF. SRM 53-60-07-2R-2.;[02] VERIFIED STEP # 1; VERIFIED REPEAT INSPECTION AT THRESHOLD.

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